Consolidated Statements of Shareholders' Equity - USD ($) $ in Millions	Total	Ordinary Shares	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Company Share of Shareholders' Equity	Non-Controlling Interests
Beginning balance at Dec. 31, 2018		$ 22	$ (2,206)	$ 7,041	$ 6,763	$ (1,363)	$ 10,257	$ 23
Net income	$ 817	0	0	0	817	0	817	0
Other comprehensive loss	(55)	0	0	0	0	(55)	(55)	0
Share-based compensation		0	26	2	0	0	28	0
Dividends - common stock		0	0	0	(372)	0	(372)	0
Dividends - redeemable non-controlling interests	(2)	0	0	0	(2)	0	(2)	0
Repurchases of Company ordinary shares		0	(488)	0	0	0	(488)	0
Purchase of non-controlling interest		0	0	(47)	0	0	(47)	(1)
Ending balance at Mar. 31, 2019		22	(2,668)	6,996	7,206	(1,418)	10,138	22
Beginning balance at Dec. 31, 2019	8,063	19	(580)	5,954	4,435	(1,784)	8,044	19
Net income	144	0	0	0	144	0	144	0
Other comprehensive loss	(529)	0	0	0	0	(529)	(529)	0
Share-based compensation		0	25	(11)	1	0	15	0
Dividends - common stock		0	0	0	(351)	0	(351)	0
Dividends - redeemable non-controlling interests	(2)	0	0	0	(2)	0	(2)	0
Repurchases of Company ordinary shares		0	(4)	0	0	0	(4)	0
Purchase of non-controlling interest		0	0	7	0	0	7	0
Ending balance at Mar. 31, 2020	$ 7,343	$ 19	$ (559)	$ 5,950	$ 4,227	$ (2,313)	$ 7,324	$ 19