Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Other Income (Expense), Net
Impairment of goodwill (see Note 5)		$ 0	$ (595)		$ (595)
Gain on sale of ANZ businesses	$ 280			$ 280
Restructuring, asset impairment and other charges	(9)		(31)	(80)	(69)
Pension settlement charges			(11)	(8)	(13)
Intangible amortization expense	(8)		(11)	(23)	(31)
Strategic transaction costs	(3)			(7)
Foreign currency exchange loss	(1)		(3)	(3)	(6)
Royalty income	2		3	8	10
Charge for deconsolidation of Paddock (see Note 11)				(14)
Other income (expense), net	(11)		3	(6)	(5)
Other Income (expense), net	$ 250		$ (645)	$ 147	$ (709)