Agreements - Additional Information (Detail) (USD $)	12 Months Ended
Agreements - Additional Information (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Schedule Of Description Of Business [Line Items]
General partnership interest	1.00%
General partnership distribution amount	$ 25,000
Partners' contributions	1.00%
Management fees description	The Partnership paid each Advisor a monthly management fee equal to 1/6 of 1% (2% per year), except for Willowbridge, which received a monthly management fee equal to 1/12of 1.5% (1.5% per year), of month-end Net Assets allocated to the Advisor
Management fee paid by partnership	2.00%
Incentive fees description	In addition, the Partnership was obligated to pay each Advisor an incentive fee, payable quarterly, equal to 20% of the New Trading Profits, as defined in each Management Agreement, earned by each Advisor for the Partnership during each calender quarter, except Graham, which receives an incentive fee of 10% of New Trading Profits on the first $5,000,000 and 20% of New Trading Profits for all such profits in excess of $5,000,000
Partnership obligated to pay each Advisor an incentive fee, payable quarterly of the New Trading Profits	20.00%
Payment of brokerage fee by partnership under customer agreement	The Partnership paid CGM a monthly brokerage fee equal to 1/12 of 1% (6% per year) of month-end Net Assets, in lieu of brokerage fees on a per trade basis
Amounts of cash held for margin requirements		76,517
Partnership interest on its allocable share, percentage	80.00%
U.S. Treasury bills maturing period	30 days
Graham [Member] \| Incentive Plan One [Member]
Schedule Of Description Of Business [Line Items]
Partnership obligated to pay each Advisor an incentive fee, payable quarterly of the New Trading Profits	10.00%
Graham [Member] \| Incentive Plan Two [Member]
Schedule Of Description Of Business [Line Items]
Partnership obligated to pay each Advisor an incentive fee, payable quarterly of the New Trading Profits	20.00%
Graham [Member] \| Maximum [Member] \| Incentive Plan One [Member]
Schedule Of Description Of Business [Line Items]
Threshold of profits to receive incentive fee	5,000,000
Graham [Member] \| Minimum [Member] \| Incentive Plan Two [Member]
Schedule Of Description Of Business [Line Items]
Threshold of profits to receive incentive fee	$ 5,000,000
Customer Supply Agreement [Member]
Schedule Of Description Of Business [Line Items]
Management fee paid by partnership	6.00%

DIVERSIFIED MULTI-ADVISOR FUTURES FUND L.P. II 10-K