Financial Instruments and Derivatives (Narrative) (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Initial margin collateral receivable	$ 736	$ 800
Net investment hedge, European business - long-term debt principal	4,900
Short Term Financing [Member]
Debt Instrument [Line Items]
Unused credit line	323
Long Term Financing [Member]
Debt Instrument [Line Items]
Unused credit line	$ 1,914