Short-Term Borrowings and Long-Term Debt - Narrative (Details) $ in Millions	1 Months Ended				12 Months Ended
	Dec. 31, 2025 USD ($)	Sep. 30, 2025 numberOfTranche	Jul. 31, 2025 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
Debt instrument, variable interest rate, type [extensible enumeration]					Term Secured Overnight Financing Rate (Term SOFR) [Member]
Short-term borrowings	$ 960				$ 960	$ 479
Weighted average interest rate (in percent)	3.02%				3.02%	3.07%
Line of credit
Debt Instrument [Line Items]
Borrowing limit, total initial borrowings	$ 2,568				$ 2,568
Short-term borrowings	960				960	$ 479
Term loan sgreement | Unsecured debt
Debt Instrument [Line Items]
Debt instrument term		3 years
Weighted average interest rate (in percent)		3.80%
Debt instrument, face amount	439				439
Debt instrument, number of tranches | numberOfTranche		2
Farfetch term loan | Farfetch Holdings | Subsidiary of Limited Partnership
Debt Instrument [Line Items]
Debt instrument redeemed					493
Revolving Credit Facility | Line of credit
Debt Instrument [Line Items]
Borrowing limit, total initial borrowings	1,500				$ 1,500
Revolving Credit Facility | Minimum | Line of credit
Debt Instrument [Line Items]
Variable interest rate (in percent)					0.75%
Revolving Credit Facility | Maximum | Line of credit
Debt Instrument [Line Items]
Variable interest rate (in percent)					1.25%
Revolving Credit Facility | Credit agreement | Line of credit
Debt Instrument [Line Items]
Debt instrument term				5 years
Borrowing limit, total initial borrowings				$ 1,500
Proceeds from short-term borrowings			$ 425
Repayment of short-term debt	425
Short-term borrowings	0				$ 0
Revolving Credit Facility | Credit agreement | Line of credit | Minimum
Debt Instrument [Line Items]
Variable interest rate (in percent)				0.75%
Revolving Credit Facility | Credit agreement | Line of credit | Maximum
Debt Instrument [Line Items]
Variable interest rate (in percent)				1.25%
Revolving Credit Facility | Other revolving credit facilities | Line of credit
Debt Instrument [Line Items]
Short-term borrowings	$ 963				$ 963
Weighted average interest rate (in percent)	3.02%				3.02%