Consolidated Statements of Shareholders' Equity (USD $) In Millions, unless otherwise specified	Total	Common stock:	Additional paid-in capital:	Retained earnings:	Accumulated other comprehensive income (loss):	Treasury stock:
Balance, beginning of period at Dec. 31, 2010		$ 66	$ 1,320	$ 13,787	$ 753	$ (5,386)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options		0	21
Share-based compensation			37
Net earnings	1,937			1,937
Dividends to shareholders ($1.42 per share in 2013, $1.34 per share in 2012, and $1.23 per share in 2011)				(576)
Unrealized foreign currency translation gains (losses) during period, net of income taxes:
Change in unrealized foreign currency translation gains (losses) during period, net of income taxes					167
Unrealized gains (losses) on investment securities during period, net of income taxes and reclassification adjustments:
Change in unrealized gains (losses) on investment securities not other-than-temporarily impaired, net of income taxes					1,107
Change in unrealized gains (losses) on other-than-temporarily impaired investment securities, net of income taxes					3
Unrealized gains (losses) on derivatives during period, net of income taxes					(22)
Pension liability adjustment during period, net of income taxes					(43)
Purchases of treasury stock						(308)
Treasury stock reissued			30			53
Balance, end of period at Dec. 31, 2011	12,946	66	1,408	15,148	1,965	(5,641)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options		1	31
Share-based compensation			34
Net earnings	2,866			2,866
Dividends to shareholders ($1.42 per share in 2013, $1.34 per share in 2012, and $1.23 per share in 2011)				(627)
Unrealized foreign currency translation gains (losses) during period, net of income taxes:
Change in unrealized foreign currency translation gains (losses) during period, net of income taxes					(651)
Unrealized gains (losses) on investment securities during period, net of income taxes and reclassification adjustments:
Change in unrealized gains (losses) on investment securities not other-than-temporarily impaired, net of income taxes					1,427
Change in unrealized gains (losses) on other-than-temporarily impaired investment securities, net of income taxes					0
Unrealized gains (losses) on derivatives during period, net of income taxes					(14)
Pension liability adjustment during period, net of income taxes					(12)
Purchases of treasury stock						(118)
Treasury stock reissued			32			63
Balance, end of period at Dec. 31, 2012	15,978	67	1,505	17,387	2,715	(5,696)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options		0	50
Share-based compensation			32
Net earnings	3,158			3,158
Dividends to shareholders ($1.42 per share in 2013, $1.34 per share in 2012, and $1.23 per share in 2011)				(660)
Unrealized foreign currency translation gains (losses) during period, net of income taxes:
Change in unrealized foreign currency translation gains (losses) during period, net of income taxes					(1,838)
Unrealized gains (losses) on investment securities during period, net of income taxes and reclassification adjustments:
Change in unrealized gains (losses) on investment securities not other-than-temporarily impaired, net of income taxes					(1,535)
Change in unrealized gains (losses) on other-than-temporarily impaired investment securities, net of income taxes					0
Unrealized gains (losses) on derivatives during period, net of income taxes					(7)
Pension liability adjustment during period, net of income taxes					102
Purchases of treasury stock						(813)
Treasury stock reissued			57			96
Balance, end of period at Dec. 31, 2013	$ 14,620	$ 67	$ 1,644	$ 19,885	$ (563)	$ (6,413)