Income Taxes - Schedule of Income Tax (Benefit) Expense Allocated to Continuing Operations and Amounts Separately Allocated to Other Items (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 66	$ 341	$ 238
Cash flow hedge in accumulated other comprehensive income (loss)	(64)	(23)	(2)
Net investment hedge in accumulated other comprehensive income (loss)	(60)	(32)	101
Foreign Currency Translation in accumulated other comprehensive income (loss)	12	0	0
Pension liability in accumulated other comprehensive income (loss)	(3)	(1)	0
Total	$ (49)	$ 285	$ 337