Segment Reporting Segment Reporting (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Segment Reporting Information [Line Items]
Leveraged Lease (Benefit) Charge	$ (68)	$ 627	$ (68)	$ 627
Decrease in Financial Services Net Revenues and OCI	7	490	7	490
Financial Services [Member]
Segment Reporting Information [Line Items]
Allowance for Loan and Lease Losses, Period Increase (Decrease)	(10)
Smokeable Products [Member]
Segment Reporting Information [Line Items]
Pretax Tobacco and Health charges	$ 1	$ 36	$ 1	$ 36