Restructuring - Schedule of Accrued Restructuring Included in Accrued Expenses and Other Liabilities by Cost Type (Details) - 2019 Restructuring Plan $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)
Restructuring Reserve [Roll Forward]
Balance, beginning	$ 85
Cash payments	(20)
Non-cash charge and other adjustment	(3)
Balance, ending	62
Severance and employee related costs
Restructuring Reserve [Roll Forward]
Balance, beginning	64
Cash payments	(12)
Non-cash charge and other adjustment	(3)
Balance, ending	49
Other costs
Restructuring Reserve [Roll Forward]
Balance, beginning	21
Cash payments	(8)
Non-cash charge and other adjustment	0
Balance, ending	$ 13