Derivative Instruments - Balance Sheet Classification (Details) € in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) $ / BTU	Dec. 31, 2022 EUR (€)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 EUR (€)
Derivatives, Fair Value
Total asset derivatives	$ 18		$ 19
Total liability derivatives	145		44
Current derivative asset	$ 15		$ 14
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration]	Prepaid Expense and Other Assets, Current	Prepaid Expense and Other Assets, Current	Prepaid Expense and Other Assets, Current	Prepaid Expense and Other Assets, Current
Current derivative liability	$ 32		$ 2
Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Current	Other Liabilities, Current	Other Liabilities, Current	Other Liabilities, Current
Noncurrent derivative asset	$ 3		$ 5
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Assets, Noncurrent	Other Assets, Noncurrent	Other Assets, Noncurrent	Other Assets, Noncurrent
Noncurrent derivative liability	$ 113		$ 42
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Derivatives designated as hedging instruments
Derivatives, Fair Value
Total asset derivatives	$ 13		$ 18
Total liability derivatives	$ 143		42
Derivatives designated as hedging instruments | Commodity forward contracts and collars
Derivatives, Fair Value
British Thermal Units ("BTUs") | $ / BTU	46
Total asset derivatives	$ 3
Total liability derivatives	9
Derivatives designated as hedging instruments | Interest rate swaps - fair value hedges
Derivatives, Fair Value
Notional amount | €		€ 725		€ 725
Total asset derivatives			4
Total liability derivatives	44		2
Derivatives designated as hedging instruments | Cash flow hedges of foreign exchange risk
Derivatives, Fair Value
Notional amount	0		422
Total asset derivatives			2
Total liability derivatives			23
Derivatives not designated as hedging instruments | Foreign exchange contracts
Derivatives, Fair Value
Notional amount	245		202
Total asset derivatives	5		1
Total liability derivatives	2		2
Net investment hedges | Derivatives designated as hedging instruments
Derivatives, Fair Value
Notional amount | €		€ 358		€ 311
Total asset derivatives	3		3
Total liability derivatives	28		17
Fair Value Hedges | Derivatives designated as hedging instruments | Foreign exchange risk
Derivatives, Fair Value
Notional amount	844		400
Total asset derivatives	7		$ 9
Total liability derivatives	$ 62