Consolidated Statements of Stockholders' (Deficit) Equity - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Earnings Reinvested In The Business [Member]	Accumulated Other Comprehensive Losses [Member]	Cost of Repurchased Stock [Member]	Noncontrolling Interests [Member]
Beginning balance at Dec. 31, 2014	$ (11,203)	$ 0	$ 710	$ 29,249	$ (6,826)	$ (35,762)	$ 1,426
Increase (Decrease) in Stockholders' (Deficit) Equity [Roll Forward]
Net earnings	7,032			6,873			159
Other comprehensive earnings (losses), net of income taxes	(2,622)				(2,576)		(46)
Issuance of stock awards	146		(3)			149
Dividends declared ($4.22 in 2017, $4.12 in 2016, and $4.04 in 2015)	(6,280)			(6,280)
Payments to noncontrolling interests	(171)						(171)
Sale (purchase) of subsidiary shares to/(from) noncontrolling interests	1,622		1,222				400
Ending balance at Dec. 31, 2015	(11,476)	0	1,929	29,842	(9,402)	(35,613)	1,768
Increase (Decrease) in Stockholders' (Deficit) Equity [Roll Forward]
Net earnings	7,250			6,967			283
Other comprehensive earnings (losses), net of income taxes	(207)				(157)		(50)
Issuance of stock awards	160		37			123
Dividends declared ($4.22 in 2017, $4.12 in 2016, and $4.04 in 2015)	(6,412)			(6,412)
Payments to noncontrolling interests	(219)						(219)
Other	4		(2)				6
Ending balance at Dec. 31, 2016	(10,900)	0	1,964	30,397	(9,559)	(35,490)	1,788
Increase (Decrease) in Stockholders' (Deficit) Equity [Roll Forward]
Net earnings	6,341			6,035			306
Other comprehensive earnings (losses), net of income taxes	1,024				1,024		0
Issuance of stock awards	128		20			108
Dividends declared ($4.22 in 2017, $4.12 in 2016, and $4.04 in 2015)	(6,573)			(6,573)
Payments to noncontrolling interests	(255)						(255)
Other	5		(12)				17
Ending balance at Dec. 31, 2017	$ (10,230)	$ 0	$ 1,972	$ 29,859	$ (8,535)	$ (35,382)	$ 1,856