Details of Certain Consolidated Statements of Income Lines (Details 1) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Component of Other Income, Nonoperating [Line Items]
Other	$ 534	$ 503	$ 1,546	$ 1,414
Global Network Services Partner Revenues [Member]
Component of Other Income, Nonoperating [Line Items]
Other	157	145	459	391
Realized Gain Loss On Sale Of Investments [Member]
Component of Other Income, Nonoperating [Line Items]
Other	0	0	0	(5)
Other revenues [Member]
Component of Other Income, Nonoperating [Line Items]
Other	$ 377	$ 358	$ 1,087	$ 1,028