Condensed Consolidated Statements 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
Beginning Balance (in shares) at Dec. 31, 2019		232.1
Beginning Balance at Dec. 31, 2019	$ 3,443	$ 6,154	$ 1,248	$ (4,033)	$ 74
Increase (Decrease) in Shareholders' Equity
Net income	791		772		19
Shares issued - employee stock compensation plans (in shares)		1.2
Shares issued - employee stock compensation plans	(112)	$ (112)
Shares purchased (in shares)		(2.2)
Shares purchased	(463)		(463)
Share-based compensation expense	81	$ 81
Dividends to shareholders	(102)		(102)
Net change in fair value of financial instruments	(5)			(5)
Net foreign currency translation adjustments	(397)			(395)	(2)
Net postretirement benefit obligation	24			24
Ending Balance (in shares) at Mar. 31, 2020		231.1
Ending Balance at Mar. 31, 2020	$ 3,260	$ 6,123	1,455	(4,409)	91
Beginning Balance (in shares) at Dec. 31, 2020	225.5	225.5
Beginning Balance at Dec. 31, 2020	$ 3,583	$ 6,314	1,042	(3,861)	88
Increase (Decrease) in Shareholders' Equity
Net income	933		913		20
Shares issued - employee stock compensation plans (in shares)		0.9
Shares issued - employee stock compensation plans	(87)	$ (87)
Shares purchased (in shares)		(0.2)
Shares purchased	(50)		(50)
Share-based compensation expense	131	$ 131
Dividends to shareholders	(104)		(104)
Net change in fair value of financial instruments	11			11
Net foreign currency translation adjustments	(70)			(70)
Net postretirement benefit obligation	29			29
Purchases of subsidiary shares from noncontrolling interests	(14)	$ (8)			(6)
Dividends paid to noncontrolling interests on subsidiary common stock	$ (1)				(1)
Ending Balance (in shares) at Mar. 31, 2021	226.2	226.2
Ending Balance at Mar. 31, 2021	$ 4,361	$ 6,350	$ 1,801	$ (3,891)	$ 101