Condensed Consolidated Statement of Shareholders' Equity (Unaudited) - 3 months ended Mar. 31, 2016 - USD ($) shares in Millions, $ in Millions	Total	Ordinary Shares and Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated OtherComprehensiveLoss, Net of Tax [Member]	Non-controlling Interests [Member]
Beginning Balance (in shares) at Dec. 31, 2015	269.8	269.8
Beginning Balance at Dec. 31, 2015	$ 6,163	$ 5,412	$ 4,117	$ (3,423)	$ 57
Increase (Decrease) in Shareholders' Equity
Net income	327		315		12
Shares issued - employee benefit plans (in shares)		0.3
Shares issued - employee benefit plans	18	$ 18
Shares issued - employee compensation (in shares)		2.4
Shares issued - employee compensation	(123)	$ (123)
Shares purchased (in shares)		(7.7)
Shares purchased	(750)		(750)
Tax benefit - employee benefit plans	40	$ 40
Share-based compensation expense	85	85
Dividends to shareholders	(82)		(82)
Net change in fair value of financial instruments	(7)			(7)
Net foreign currency translation adjustments	(79)			(79)
Net post-retirement benefit obligation	(201)			(201)
Purchases of shares from noncontrolling interests	$ (44)	$ (41)			(3)
Ending Balance (in shares) at Mar. 31, 2016	264.8	264.8
Ending Balance at Mar. 31, 2016	$ 5,347	$ 5,391	$ 3,600	$ (3,710)	$ 66