Finance Assets, net (Schedule of PMCC Leveraged Lease Charge) (Details) (USD $) In Millions	3 Months Ended	6 Months Ended	51 Months Ended
	Jun. 30, 2011	Jun. 30, 2011	Mar. 31, 2011
Decrease in financial services net revenues	$ 490	$ 490
Provision for Income Taxes	137	137
Total	627	627	95
Reduction to Cumulative Lease Earnings [Member]
Decrease in financial services net revenues	490	490
Provision for Income Taxes	(175)	(175)
Total	315	315
Interest on Tax Underpayments [Member]
Provision for Income Taxes	312	312
Total	$ 312	$ 312