Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0000004962 (http://www.sec.gov/CIK)

Income Taxes (Details) [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31	2015-01-01 - 2015-12-31	2014-01-01 - 2014-12-31
Income Taxes (Details) [Abstract]
Current income tax expense:
U.S. federal	2,179,000,000	2,107,000,000	2,136,000,000
U.S. state and local	272,000,000	335,000,000	264,000,000
Non-U.S.	342,000,000	416,000,000	412,000,000
Total current income tax expense	2,793,000,000	2,858,000,000	2,812,000,000
Deferred income tax expense (benefit):
U.S. federal	(45,000,000)	(23,000,000)	352,000,000
U.S. state and local	(8,000,000)	(5,000,000)	39,000,000
Non-U.S.	(52,000,000)	(55,000,000)	(97,000,000)
Total deferred income tax expense	(105,000,000)	(83,000,000)	294,000,000
Income tax provision (benefit)	2,688,000,000	2,775,000,000	3,106,000,000