Debt - Summary of Long-term Debt (Details) $ in Millions	Mar. 31, 2022 EUR (€)	Mar. 31, 2022 USD ($)	Feb. 28, 2022	Dec. 31, 2021 EUR (€)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Face amount		$ 14,623			$ 15,485
Long-term debt, fair value		15,729			18,030
Senior Notes
Debt Instrument [Line Items]
Face amount | €	€ 5,170,000,000
Senior Notes | 5.500% Senior Notes
Debt Instrument [Line Items]
Face amount		0			700
Long-term debt, fair value		$ 0			$ 704
Interest rate	5.50%	5.50%	5.50%	5.50%	5.50%
Senior Notes | 5.750% Senior Notes
Debt Instrument [Line Items]
Face amount		$ 400			$ 400
Long-term debt, fair value		$ 419			$ 437
Interest rate	5.75%	5.75%		5.75%	5.75%
Senior Notes | 5.875% Senior Notes
Debt Instrument [Line Items]
Face amount		$ 800			$ 800
Long-term debt, fair value		$ 855			$ 899
Interest rate	5.875%	5.875%		5.875%	5.875%
Senior Notes | 3.000% Senior Notes
Debt Instrument [Line Items]
Face amount	€ 470,000,000	$ 520		€ 470,000,000	$ 535
Long-term debt, fair value		$ 545			$ 581
Interest rate	3.00%	3.00%		3.00%	3.00%
Senior Notes | 3.625% Senior Notes
Debt Instrument [Line Items]
Face amount		$ 500			$ 500
Long-term debt, fair value		$ 502			$ 529
Interest rate	3.625%	3.625%		3.625%	3.625%
Senior Notes | 4.375% Senior Notes
Debt Instrument [Line Items]
Face amount		$ 1,000			$ 1,000
Long-term debt, fair value		$ 1,039			$ 1,111
Interest rate	4.375%	4.375%		4.375%	4.375%
Senior Notes | 3.625% Senior Notes
Debt Instrument [Line Items]
Face amount	€ 1,300,000,000	$ 1,439		€ 1,300,000,000	$ 1,480
Long-term debt, fair value		$ 1,539			$ 1,702
Interest rate	3.625%	3.625%		3.625%	3.625%
Senior Notes | 4.875% Senior Notes
Debt Instrument [Line Items]
Face amount		$ 1,600			$ 1,600
Long-term debt, fair value		$ 1,671			$ 1,829
Interest rate	4.875%	4.875%		4.875%	4.875%
Senior Notes | 5.875% Senior Notes
Debt Instrument [Line Items]
Face amount		$ 1,900			$ 1,900
Long-term debt, fair value		$ 2,096			$ 2,293
Interest rate	5.875%	5.875%		5.875%	5.875%
Senior Notes | 4.625% Senior Notes
Debt Instrument [Line Items]
Face amount	€ 1,100,000,000	$ 1,218		€ 1,100,000,000	$ 1,252
Long-term debt, fair value		$ 1,376			$ 1,565
Interest rate	4.625%	4.625%		4.625%	4.625%
Senior Notes | 6.375% Senior Notes
Debt Instrument [Line Items]
Face amount		$ 800			$ 800
Long-term debt, fair value		$ 907			$ 999
Interest rate	6.375%	6.375%		6.375%	6.375%
Senior Notes | 3.875% Senior Notes
Debt Instrument [Line Items]
Face amount	€ 1,200,000,000	$ 1,328		€ 1,200,000,000	$ 1,366
Long-term debt, fair value		$ 1,444			$ 1,651
Interest rate	3.875%	3.875%		3.875%	3.875%
Senior Notes | 5.375% Senior Notes
Debt Instrument [Line Items]
Face amount		$ 900			$ 900
Long-term debt, fair value		$ 977			$ 1,068
Interest rate	5.375%	5.375%		5.375%	5.375%
Senior Notes | 3.625% Senior Notes
Debt Instrument [Line Items]
Face amount	€ 1,100,000,000	$ 1,218		€ 1,100,000,000	$ 1,252
Long-term debt, fair value		$ 1,291			$ 1,493
Interest rate	3.625%	3.625%		3.625%	3.625%
Senior Notes | 4.875% Senior Notes
Debt Instrument [Line Items]
Face amount		$ 1,000			$ 1,000
Long-term debt, fair value		$ 1,068			$ 1,169
Interest rate	4.875%	4.875%		4.875%	4.875%