ESTIMATES, SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND BALANCE SHEET DETAIL Estimates, Significant Accounting Policies and Balance Sheet Detail (Tables)

12 Months Ended

Dec. 31, 2021

Summary of Significant Accounting Policies [Abstract]

Other Current Liabilities [Table Text Block]

Other Current Liabilities. Other current liabilities consisted of the following:


	December 31,
	2021		2020
Deposits from customers	$	14	$	8
Accrued expenses	34		13
Accrued capital expenditures	8		4


Other	6		8
Total other current liabilities	$	62	$	33

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

Non-cash investing and financing activities and supplemental cash flow information are as follows:


	Years Ended December 31,
	2021		2020		2019
Non-cash investing and financing activities:





Settlement of affiliate liability - related company payables	$	—	$	(4)	$	—


Supplemental cash flow information:
Accrued capital expenditures	$	8	$	4	$	11
Cash paid for interest, net of interest capitalized	15		16		23

Cash paid for interest on note payable to related company	18		33		23

Property, Plant and Equipment [Table Text Block]


		December 31,
	Lives in Years	2021		2020
Land and improvements		$	4	$	4
Buildings and improvements	6 – 46	195		197
Pipelines and equipment	5 – 46	2,684		2,631
Natural gas storage facilities	26 – 46	368		360





Other	3 – 21	145		142
Construction work in progress		25		15
Property, plant and equipment		3,421		3,349
Accumulated depreciation and amortization		(813)		(717)
Property, plant and equipment, net		$	2,608	$	2,632

Schedule of Inventory, Current [Table Text Block]

The following table presents the components of inventory:


	December 31,
	2021		2020

Natural gas (1)	$	36	$	63
Materials and supplies	21		23
	$	57	$	86

(1)Natural gas volumes held for operations at December 31, 2021 and 2020 were 11.4 TBtu and 29.2 TBtu, respectively.

Other Noncurrent Liabilities [Table Text Block]

Other Non-Current Liabilities. Other non-current liabilities consisted of the following:


	December 31,
	2021		2020
Pension liability	$	110	$	97
ARO	56		37
Provision for rate refunds (1)	57		24
Other	89		88
Total other non-current liabilities	$	312	$	246

(1) Provision for rate refunds represents future amounts to be settled with the Company’s shippers under FERC regulation.

Schedules of Concentration of Risk, by Risk Factor

The following table presents the relative contribution to the Company’s total operating revenue from operations of each customer that comprised at least 10% of its operating revenues:


	Years Ended December 31,
	2021		2020		2019
Customer A	12	%	12	%	10	%
Customer B	17		17		16
Other top 10 customers	29		31		31
Remaining customers	42		40		43
Total percentage	100	%	100	%	100	%

PANHANDLE EASTERN PIPE LINE COMPANY, LP 10-K