Fair Value Measurements - Fair Value, Assets Measured on Nonrecurring Basis Using Unobservable Inputs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Nonrecurring fair value losses	$ (46)	$ (112)	$ (98)
Fair Value Measurements Nonrecurring
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Assets, fair value disclosure	14	62
Nonrecurring fair value losses	(46)	(112)
Investments | Fair Value Measurements Nonrecurring
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Nonrecurring fair value losses	(18)	(31)
Operating lease equipment | Fair Value Measurements Nonrecurring
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Assets, fair value disclosure		47
Nonrecurring fair value losses		(7)
Property, plant and equipment | Fair Value Measurements Nonrecurring
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Assets, fair value disclosure	14
Nonrecurring fair value losses	(26)	(19)
Other Assets | Fair Value Measurements Nonrecurring
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Assets, fair value disclosure		15
Nonrecurring fair value losses	$ (2)	$ (55)