Summary of Significant Accounting Policies - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) reportingUnit	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Summary of Significant Accounting Policies [Line Items]
Research and development expense	$ 800	$ 800	$ 900
Gain (loss) from foreign currency transaction	(80)	165	59
Foreign currency transaction loss, before tax		145
Collection of finance receivables	1,100	1,200
Other current assets	1,554	1,447
Other current liabilities	1,239	1,369
Equity method investments	302	290
Sales	15,629	13,118	12,588
Aggregate value of investments	$ 210	104
Units Tested for Impairment of Goodwill
Summary of Significant Accounting Policies [Line Items]
Reporting units | reportingUnit	1
Foreign Exchange Forward | Cash Flow Hedging | Designated as Hedging Instrument
Summary of Significant Accounting Policies [Line Items]
Cash flow hedge gain (loss) to be reclassified during next 12 months	$ 39
Cross currency swap contracts | Not Designated as Hedging Instrument
Summary of Significant Accounting Policies [Line Items]
Derivative, cash received	24	134
Equity Method Investee
Summary of Significant Accounting Policies [Line Items]
Sales	239	224	$ 211
Government Incentives
Summary of Significant Accounting Policies [Line Items]
Other current assets	163	83
Other assets	330	33
Other liabilities	85
Government Incentives, Cash Incentives
Summary of Significant Accounting Policies [Line Items]
Other current assets	83
Other current liabilities	11	12
Other liabilities		132
Government assistance, award amount	15
Government Incentives, 45X Credits
Summary of Significant Accounting Policies [Line Items]
Government assistance, award amount	172	$ 83
Government Incentives, 48C Credits
Summary of Significant Accounting Policies [Line Items]
Government assistance, award amount	84
Government Incentives, Tax Credits
Summary of Significant Accounting Policies [Line Items]
Income tax credits and adjustments	127
Government Incentives, 48D Credits
Summary of Significant Accounting Policies [Line Items]
Income tax credits and adjustments	$ 68
Recapture period	5 years
Recapture liability	$ 0
Government assistance, asset, decrease	$ 323
Government Assistance Asset Decrease Statement Of Financial Position Extensible Enumeration Not Disclosed Flag	48D credits
Government assistance, operating expense, decrease (increase)	$ 87
Government Assistance Operating Expense Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag	48D credits
Minimum | Building and Building Improvements
Summary of Significant Accounting Policies [Line Items]
Range of useful life (in years)	10 years
Minimum | Equipment
Summary of Significant Accounting Policies [Line Items]
Range of useful life (in years)	2 years
Maximum | Building and Building Improvements
Summary of Significant Accounting Policies [Line Items]
Range of useful life (in years)	40 years
Maximum | Equipment
Summary of Significant Accounting Policies [Line Items]
Range of useful life (in years)	20 years
Performance Shares
Summary of Significant Accounting Policies [Line Items]
Vesting period (in years)	3 years
Stock Options
Summary of Significant Accounting Policies [Line Items]
Expiration period (in years)	10 years
Stock Options | Minimum
Summary of Significant Accounting Policies [Line Items]
Vesting period (in years)	1 year
Stock Options | Maximum
Summary of Significant Accounting Policies [Line Items]
Vesting period (in years)	5 years