Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock and Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Noncontrolling Interests
Balance (in shares) at Dec. 31, 2013		255.5
Balance at beginning of period at Dec. 31, 2013		$ 3,521	$ (2,287)	$ 2,425	$ 30
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 1,300			1,299	1
Other comprehensive income (loss)	$ 432		432
Issuance of common stock and stock options exercised (in shares)		4.4
Issuance of common stock and stock options exercised		$ 86
Share repurchase program (in shares)	(39.4)	(39.4)
Share repurchase program		$ (2,546)
Excess tax benefit (shortfalls) from share-based compensation		5
Share-based compensation expense		$ 114
Dividends declared				(314)
Balance (in shares) at Dec. 31, 2014		220.5
Balance at end of period at Dec. 31, 2014		$ 1,180	(1,855)	3,410	31
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 613			610	3
Other comprehensive income (loss)	$ (11)		(11)
Issuance of common stock and stock options exercised (in shares)		2.0
Issuance of common stock and stock options exercised		$ 80
Share repurchase program (in shares)	(48.0)	(48.0)
Share repurchase program		$ (1,147)		(2,030)
Excess tax benefit (shortfalls) from share-based compensation		(155)
Sale of controlling interest in subsidiary common stock					(24)
Share-based compensation expense		78
Dividends declared				(274)
Equity component of Senior Convertible Notes		$ 8
Balance (in shares) at Dec. 31, 2015		174.5
Balance at end of period at Dec. 31, 2015	(96)	$ 44	(1,866)	1,716	10
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	562			560	2
Other comprehensive income (loss)	$ (451)		(451)
Issuance of common stock and stock options exercised (in shares)		3.0
Issuance of common stock and stock options exercised		$ 93
Share repurchase program (in shares)	(12.0)	(12.0)
Share repurchase program				(842)
Share-based compensation expense		$ 68
Dividends declared				(286)
Balance (in shares) at Dec. 31, 2016		165.5
Balance at end of period at Dec. 31, 2016	$ (952)	$ 205	$ (2,317)	$ 1,148	$ 12