Consolidated Statements of Shareholders' Equity (USD $) In Millions, unless otherwise specified	Total	Common Stock	Common Stock Surplus	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss
Balance, at Dec. 31, 2010	$ 13,316	$ 482	$ 1,729	$ 17,076	$ (4,535)	$ (1,436)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	2,526			2,526
Cash dividends declared	(685)			(685)
Stock-based awards	340		159		181
Shares purchased	(1,389)				(1,389)
Net gain (loss) on cash flow hedges	(876)					(876)
Balance, at Dec. 31, 2011	13,232	482	1,888	18,917	(5,743)	(2,312)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	(332)			(332)
Cash dividends declared	(725)			(725)
Stock-based awards	280		100		180
Shares purchased	(602)				(602)
Net gain (loss) on cash flow hedges	(463)					(463)
Balance, at Dec. 31, 2012	11,390	482	1,988	17,860	(6,165)	(2,775)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	2,357			2,357
Cash dividends declared	(789)			(789)
Stock-based awards	693		238		455
Shares purchased	(740)				(740)
Net gain (loss) on cash flow hedges	1,590					1,590
Balance, at Dec. 31, 2013	$ 14,501	$ 482	$ 2,226	$ 19,428	$ (6,450)	$ (1,185)