Debt - Long-Term Debt (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Long-term debt	$ 5,000
Long-term debt due within one year	400	$ 1,600
2.10% bonds due 2037 | Bonds
Debt Instrument [Line Items]
Long-term debt due within one year	$ 200
Interest rate	2.10%
2.125% bonds due 2037 | Bonds
Debt Instrument [Line Items]
Long-term debt due within one year	$ 200
Interest rate	2.125%