Fair Value Measurements - Fair Value, Assets Measured on Nonrecurring Basis Using Unobservable Inputs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Nonrecurring fair value losses	$ (112)	$ (98)	$ (410)
Fair Value Measurements Nonrecurring
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Fair Value	62	120
Nonrecurring fair value losses	(112)	(98)
Fair Value Measurements Nonrecurring | Level 3
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Fair Value	62	120
Investments | Fair Value Measurements Nonrecurring
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Nonrecurring fair value losses	(31)	(8)
Customer financing assets | Fair Value Measurements Nonrecurring
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Nonrecurring fair value losses	(7)	(31)
Customer financing assets | Fair Value Measurements Nonrecurring | Valuation, Market Approach
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Fair Value	47	110
Customer financing assets | Fair Value Measurements Nonrecurring | Valuation, Market Approach | Level 3
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Fair Value	47	110
Property, plant and equipment | Fair Value Measurements Nonrecurring
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Nonrecurring fair value losses	(19)	(50)
Property, plant and equipment | Fair Value Measurements Nonrecurring | Valuation, Market Approach
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Fair Value		9
Property, plant and equipment | Fair Value Measurements Nonrecurring | Valuation, Income Approach | Level 3
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Fair Value		9
Other Assets and Acquired intangible assets | Fair Value Measurements Nonrecurring
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Nonrecurring fair value losses	(55)	(9)
Other Assets and Acquired intangible assets | Fair Value Measurements Nonrecurring | Valuation, Market Approach
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Fair Value	15	1
Other Assets and Acquired intangible assets | Fair Value Measurements Nonrecurring | Valuation, Income Approach | Level 3
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Fair Value	$ 15	$ 1