Condensed Consolidated Statement of Shareholders' Equity (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Ordinary Shares and Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss, Net of Tax	Non- controlling Interests
Increase (Decrease) in Shareholders' Equity
Adoption of new accounting guidance	$ 49	$ 0	$ 49	$ 0	$ 0
Balance at January 1, 2017	$ 5,581	$ 5,580	3,856	(3,912)	57
Beginning Balance (in shares) at Dec. 31, 2016	262.0	262.0
Beginning Balance at Dec. 31, 2016	$ 5,532	$ 5,580	3,807	(3,912)	57
Increase (Decrease) in Shareholders' Equity
Net income	1,275		1,245		30
Shares issued - employee stock compensation plans (in shares)		3.3
Shares issued - employee stock compensation plans	(117)	$ (117)
Shares purchased (in shares)		(14.5)
Shares purchased	(1,913)		(1,913)
Share-based compensation expense	214	$ 214
Dividends to shareholders	(274)		(274)
Net change in fair value of financial instruments	13			13
Net foreign currency translation adjustments	434			431	3
Net postretirement benefit obligation	56			56
Purchases of shares from noncontrolling interests	(5)	$ (4)			(1)
Dividends paid to noncontrolling interests on subsidiary common stock	$ (17)				(17)
Ending Balance (in shares) at Sep. 30, 2017	250.8	250.8
Ending Balance at Sep. 30, 2017	$ 5,247	$ 5,673	$ 2,914	$ (3,412)	$ 72