Condensed Consolidated Statement of Shareholders' Equity (USD $) In Millions, unless otherwise specified	Total	Ordinary Shares and Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss, Net of Tax [Member]	Non-controlling Interests [Member]
Beginning Balance at Dec. 31, 2013	$ 8,195	$ 4,788	$ 5,731	$ (2,374)	$ 50
Beginning Balance (in shares) at Dec. 31, 2013	300.7	300.7
Increase (Decrease) in Shareholders' Equity
Net income	964	0	938	0	26
Shares issued - employee benefit plans (in shares)		0.4
Shares issued - employee benefit plans	28	28	0	0	0
Shares issued - employee compensation (in shares)		4.4
Shares issued - employee compensation	(120)	(120)	0	0	0
Shares purchased (in shares)		(20.4)
Shares purchased	(1,750)	0	(1,750)	0	0
Tax benefit - employee benefit plans	72	72	0	0	0
Share-based compensation expense	247	247	0	0	0
Dividends to shareholders	(201)	0	(201)	0	0
Net change in fair value of investments	(1)	0	0	(1)	0
Net change in fair value of derivatives	13	0	0	13	0
Net foreign currency translation adjustments	(228)	0	0	(226)	(2)
Net post-retirement benefit obligation	70	0	0	70	0
Sales (purchases) of shares to (from) noncontrolling interests	(1)	0	0	0	(1)
Dividends paid to non-controlling interests on subsidiary common stock	(18)	0	0	0	(18)
Ending Balance at Sep. 30, 2014	$ 7,272	$ 5,015	$ 4,718	$ (2,518)	$ 57
Ending Balance (in shares) at Sep. 30, 2014	285.1	285.1