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Hedging Activities and Fair Value Measurements - Balance Sheet Location (Details) € in Millions, $ in Millions	Jun. 30, 2025 EUR (€)	Jun. 30, 2025 USD ($)	Dec. 31, 2024 EUR (€)	Dec. 31, 2024 USD ($)
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset		$ 91		$ 384
Derivative Liability, Fair Value, Gross Liability		1,416		990
December 2027 Notes
Derivatives, Fair Value [Line Items]
Long-term Debt	€ 900	1,054	€ 900	935
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments in Hedges, Assets, at Fair Value		65		228
Derivative Instruments in Hedges, Liabilities, at Fair Value		1,346		931
Prepaid Expenses and Other Current Assets [Member] \| Foreign Exchange Contract [Member] \| Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments in Hedges, Assets, at Fair Value		63		149
Prepaid Expenses and Other Current Assets [Member] \| Foreign Exchange Contract [Member] \| Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value		26		156
Other Noncurrent Assets [Member] \| Foreign Exchange Contract [Member] \| Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments in Hedges, Assets, at Fair Value		2		79
Other Current Liabilities [Member] \| Foreign Exchange Contract [Member] \| Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments in Hedges, Liabilities, at Fair Value		134		1
Other Current Liabilities [Member] \| Foreign Exchange Contract [Member] \| Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value		70		59
Other Noncurrent Liabilities [Member] \| Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments in Hedges, Liabilities, at Fair Value		1,050		930
Other Noncurrent Liabilities [Member] \| Foreign Exchange Contract [Member] \| Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments in Hedges, Liabilities, at Fair Value		$ 161		$ 0