Consolidated Statements of Shareholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Ordinary Shares and Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss, Net of Tax	Noncontrolling Interests
Balance (in shares) at Dec. 31, 2013		300.7
Balance at Dec. 31, 2013	$ 8,091	$ 4,788	$ 5,627	$ (2,374)	$ 50
Increase (Decrease) in Shareholders' Equity
Net income	1,431		1,397		34
Shares issued - employee benefit plan (in shares)		0.4
Shares issued — employee benefit plans	26	$ 26
Shares issued - employee compensation (in shares)		4.7
Shares issued — employee compensation	(131)	$ (131)
Shares purchased (in shares)		(25.8)
Shares purchased	(2,250)		(2,250)
Tax benefit — employee benefit plans	89	$ 89
Share-based compensation expense	328	328
Dividends to shareholders	(273)		(273)
Net change in fair value of financial instruments	4
Net change in fair value of financial instruments	4			4
Net foreign currency translation adjustments	(507)			(504)	(3)
Net post-retirement benefit obligation	(260)			(260)
Net sales of subsidiary shares to noncontrolling interests	3	$ 0			3
Dividends paid to noncontrolling interests on subsidiary common stock	(24)				(24)
Balance (in shares) at Dec. 31, 2014		280.0
Balance at Dec. 31, 2014	6,527	$ 5,100	4,501	(3,134)	60
Increase (Decrease) in Shareholders' Equity
Net income	1,422		1,385		37
Shares issued - employee benefit plan (in shares)		0.5
Shares issued — employee benefit plans	33	$ 33
Shares issued - employee compensation (in shares)		5.3
Shares issued — employee compensation	(188)	$ (188)
Shares purchased (in shares)		(16.0)
Shares purchased	(1,550)		(1,550)
Tax benefit — employee benefit plans	126	$ 126
Share-based compensation expense	340	340
Dividends to shareholders	(323)		(323)
Net change in fair value of financial instruments	(8)			(8)
Net foreign currency translation adjustments	(442)			(436)	(6)
Net post-retirement benefit obligation	155			155
Net purchases of shares from noncontrolling interests	(6)	$ 1			(7)
Dividends paid to noncontrolling interests on subsidiary common stock	$ (27)				(27)
Balance (in shares) at Dec. 31, 2015	269.8	269.8
Balance at Dec. 31, 2015	$ 6,059	$ 5,412	4,013	(3,423)	57
Increase (Decrease) in Shareholders' Equity
Net income	1,430		1,396		34
Shares issued - employee benefit plan (in shares)		0.7
Shares issued — employee benefit plans	49	$ 49
Shares issued - employee compensation (in shares)		3.6
Shares issued — employee compensation	(174)	$ (174)
Shares purchased (in shares)		(12.1)
Shares purchased	(1,257)		(1,257)
Tax benefit — employee benefit plans	(4)	$ (4)
Share-based compensation expense	331	331
Dividends to shareholders	(345)		(345)
Net change in fair value of financial instruments	(12)			(12)
Net foreign currency translation adjustments	(495)			(493)	(2)
Net post-retirement benefit obligation	16			16
Net purchases of shares from noncontrolling interests	(38)	$ (34)			(4)
Dividends paid to noncontrolling interests on subsidiary common stock	$ (28)				(28)
Balance (in shares) at Dec. 31, 2016	262.0	262.0
Balance at Dec. 31, 2016	$ 5,532	$ 5,580	$ 3,807	$ (3,912)	$ 57