Financial Instruments - Long-Term Debt, New Issuances (Details) - Senior Notes [Member] - Senior Unsecured Debt, One Point Seven Five Zero Percent, Due August 2031 $ in Millions	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Effective interest rate	1.79%
Stated interest rate	1.75%	[1]
Principal amount	$ 1,000	[1]

[1] The notes may be redeemed by us at any time, in whole, or in part, at a redemption price plus accrued and unpaid interest.