Financial Instruments - Credit Facilities (Details)	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity	$ 52,000,000
Foreign exchange derivative instruments | Derivatives Designated as Hedging Instruments:
Line of Credit Facility [Line Items]
Collateral posted	$ 37,000,000	$ 21,000,000
Operational Efficiency
Line of Credit Facility [Line Items]
Maximum total leverage ratio	3.50
Maximum total leverage ratio, next 12 months	4.00
Revolving Credit Facility
Line of Credit Facility [Line Items]
Revolving credit facility, current borrowing capacity	$ 1,000,000,000
Line of credit facility, maximum borrowing capacity	1,500,000,000
Line of credit facility	$ 0	$ 0