Restructuring and Productivity Initiatives (Narrative) (Details) (USD $)	11 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended				3 Months Ended
	Dec. 29, 2013	Dec. 28, 2014	Jun. 07, 2013	Mar. 28, 2013	Mar. 28, 2012	Apr. 27, 2011	Apr. 29, 2012 factory	Dec. 28, 2014
Restructuring Cost and Reserve [Line Items]
Number of faciliites eliminated	3
Successor [Member]
Restructuring Cost and Reserve [Line Items]
Costs related to restructuring and productivity initiatives	$ 410,400,000	$ 435,400,000
Severance costs	87,900,000
Asset impairment charges	2,405,000	78,785,000
Restructuring reserve, current	107,900,000	78,500,000						78,500,000
Successor [Member] \| Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Costs related to restructuring and productivity initiatives	168,700,000	357,500,000
Successor [Member] \| Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Costs related to restructuring and productivity initiatives	241,700,000	77,900,000
Successor [Member] \| Severance and other severance related costs
Restructuring Cost and Reserve [Line Items]
Costs related to restructuring and productivity initiatives	274,500,000	175,440,000
Restructuring reserve, current	66,300,000	53,200,000						53,200,000
Successor [Member] \| Other exit costs
Restructuring Cost and Reserve [Line Items]
Costs related to restructuring and productivity initiatives	69,700,000	56,300,000
Restructuring reserve, current	41,600,000	25,300,000						25,300,000
Successor [Member] \| Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Costs related to restructuring and productivity initiatives	66,200,000	203,700,000
Number of faciliites eliminated		6						6
Predecessor [Member]
Restructuring Cost and Reserve [Line Items]
Costs related to restructuring and productivity initiatives	6,000,000
Severance costs						48,100,000
Asset impairment charges			0	0	41,478,000
Restructuring reserve, current							54,600,000
Predecessor [Member] \| Severance and other severance related costs
Restructuring Cost and Reserve [Line Items]
Costs related to restructuring and productivity initiatives			0	0	81,700,000
Predecessor [Member] \| Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Costs related to restructuring and productivity initiatives	6,000,000		6,000,000
Number of faciliites eliminated							6
Asset impairment charges							50,900,000
Pension Benefits [Member] \| Successor [Member]
Restructuring Cost and Reserve [Line Items]
Costs related to restructuring and productivity initiatives	56,600,000
Productivity Initatives [Member] \| Predecessor [Member]
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated							1,400
Severance costs							81,700,000
Asset impairment charges							50,900,000
Productivity Initatives [Member] \| Predecessor [Member] \| Other exit costs
Restructuring Cost and Reserve [Line Items]
Costs related to restructuring and productivity initiatives							72,800,000
Fiscal 2012 Plan [Member] \| Predecessor [Member]
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated							1,500
Costs related to restructuring and productivity initiatives							205,400,000
Restructuring and related cost, incurred cost, net of tax							144,000,000
Fiscal 2012 Plan [Member] \| Predecessor [Member] \| Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Costs related to restructuring and productivity initiatives							129,900,000
Fiscal 2012 Plan [Member] \| Predecessor [Member] \| Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Costs related to restructuring and productivity initiatives							75,500,000
Fiscal 2012 Plan [Member] \| Predecessor [Member] \| Loss from discontinued operations [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost, net of tax							18,900,000
Europe [Member] \| Predecessor [Member] \| Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Number of faciliites eliminated							2
United States [Member] \| Predecessor [Member] \| Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Number of faciliites eliminated							3
Asia Pacific [Member] \| Predecessor [Member] \| Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Number of faciliites eliminated							1
Phase I [Member] \| Successor [Member]
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated		4,050
Phase I [Member] \| Successor [Member] \| Severance and other severance related costs
Restructuring Cost and Reserve [Line Items]
Costs related to restructuring and productivity initiatives		289,000,000
Footprint [Member] \| Successor [Member] \| Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Number of faciliites eliminated		5						5
Restructuring approximate number of positions affected		1,600
Restructuring and related costs incurred to date		91,000,000
License Expiration [Member] \| Successor [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring approximate number of positions affected		200
License Expiration [Member] \| Successor [Member] \| Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Number of faciliites eliminated		1						1
Severance costs		11,000,000
Impairment of long-lived assets to be disposed		33,000,000
Phase II [Member] \| Severance and other severance related costs
Restructuring Cost and Reserve [Line Items]
Costs related to restructuring and productivity initiatives								63,000,000
Phase II [Member] \| Successor [Member]
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated								800
Severance costs								70,000,000
Impairment of long-lived assets to be disposed								$ 30,000,000

H. J. Heinz Corp II 10-K