Financing Arrangements and Derivative Financial Instruments - Credit Facilities and Derivative Financial Instruments Narrative (Details) € in Millions, $ in Millions		3 Months Ended		9 Months Ended
	May 19, 2025 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Oct. 31, 2027 EUR (€)	Oct. 10, 2025 EUR (€)	Sep. 30, 2025 EUR (€)	Feb. 19, 2025	Dec. 31, 2024 USD ($)	Dec. 31, 2024 EUR (€)
Line Of Credit Facility [Line Items]
Long-term debt, before deferred financing fees		$ 7,249		$ 7,249						$ 6,994
Credit arrangements, unused amount		2,547		2,547
Net transaction gain (loss) on foreign currency derivative instruments		4	$ (35)	(102)	$ 11
Not Designated as Hedging Instrument
Line Of Credit Facility [Line Items]
Derivative, notional amount		$ 2,357		$ 2,357						$ 1,779
Amended and Restated Senior Secured European Revolving Credit Facility | Line of Credit
Line Of Credit Facility [Line Items]
Line of credit facility, additional borrowing capacity which may be requested from lenders | €								€ 200
9.5% due 2025
Line Of Credit Facility [Line Items]
Interest rate		9.50%		9.50%				9.50%		9.50%	9.50%
9.5% due 2025 | Senior Notes
Line Of Credit Facility [Line Items]
Long-term debt, before deferred financing fees		$ 0		$ 0						$ 500
Interest rate		9.50%		9.50%				9.50%	9.50%	9.50%	9.50%
Pan-European Accounts Receivable Facility | Line of Credit
Line Of Credit Facility [Line Items]
Long-term debt, before deferred financing fees		$ 242		$ 242						$ 227
Supplier Financing
Line Of Credit Facility [Line Items]
Amounts available under these programs		902		902						775
Amount confirmed		587		587						604
Mexican Credit Facilities | Line of Credit
Line Of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity										200
Long-term debt, before deferred financing fees		200		200						200
Chinese credit facilities
Line Of Credit Facility [Line Items]
Credit arrangements, unused amount		31		31						31
Revolving Credit Facility | Line of Credit
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity		10,545		10,545
Revolving Credit Facility | Line of Credit | Minimum
Line Of Credit Facility [Line Items]
Basis spread on reference rate	1.00%
Revolving Credit Facility | First lien revolving credit facility due 2030 | Line of Credit
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity	$ 2,750
Line of credit facility, additional borrowing capacity which may be requested from lenders	$ 250
Appraised value percentage	50.00%
Increase in value of principal trademarks	$ 400
Line of credit facility, borrowing capacity inputs, increase based on value of cash	$ 275
Line of credit facility, current borrowing capacity		2,750		2,750
Available cash plus average quarterly availability under facility	25.00%
Long-term debt, before deferred financing fees		1,325		1,325						700
Letters of credit, amount outstanding		1		$ 1						1
Revolving Credit Facility | First lien revolving credit facility due 2030 | Line of Credit | Secured Overnight Financing Rate (SOFR)
Line Of Credit Facility [Line Items]
Basis spread	1.25%
Revolving Credit Facility | First lien revolving credit facility due 2030 | Line of Credit | Secured Overnight Financing Rate (SOFR) | Maximum
Line Of Credit Facility [Line Items]
Basis spread	1.50%
Revolving Credit Facility | First lien revolving credit facility due 2030 | Line of Credit | Base Rate
Line Of Credit Facility [Line Items]
Basis spread	0.50%
Revolving Credit Facility | First lien revolving credit facility due 2030 | Line of Credit | Base Rate | Minimum
Line Of Credit Facility [Line Items]
Basis spread	0.25%
Revolving Credit Facility | First lien revolving credit facility due 2030 | Line of Credit | Commitment Fee Rate
Line Of Credit Facility [Line Items]
Annual commitment fee percentage on undrawn amounts	0.25%
Revolving Credit Facility | First lien revolving credit facility due 2030 | Line of Credit | Overnight Bank Funding Rate
Line Of Credit Facility [Line Items]
Basis spread	0.50%
Revolving Credit Facility | First lien revolving credit facility due 2030 | Swingline Loans
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity	$ 50
Revolving Credit Facility | Amended and Restated Senior Secured European Revolving Credit Facility | Line of Credit
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity | €								€ 800
Basis spread				1.50%
Annual commitment fee percentage on undrawn amounts				0.25%
Long-term debt, before deferred financing fees		235		$ 235				200		0
Letters of credit, amount outstanding		0		$ 0						0
Revolving Credit Facility | Amended and Restated Senior Secured European Revolving Credit Facility | Line of Credit | European Interbank Offer Rate (Euribor)
Line Of Credit Facility [Line Items]
Basis spread				1.50%
Revolving Credit Facility | Amended and Restated Senior Secured European Revolving Credit Facility | Line of Credit | Sterling Overnight Interbank Average Rate (SONIA)
Line Of Credit Facility [Line Items]
Basis spread				1.50%
Letter of Credit | First lien revolving credit facility due 2030 | Line of Credit
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity	$ 800
Letter of Credit | Amended and Restated Senior Secured European Revolving Credit Facility | Line of Credit
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity | €								75
German Tranche | Amended and Restated Senior Secured European Revolving Credit Facility | Line of Credit
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity | €								180
Long-term debt, before deferred financing fees		211		$ 211				180
Bridge Loan | Amended and Restated Senior Secured European Revolving Credit Facility | Line of Credit
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity | €								175
Secured Debt | Pan-European Accounts Receivable Facility | Line of Credit
Line Of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity		242		242				206		227	€ 218
Secured Debt | Pan-European Accounts Receivable Facility | Line of Credit | Subsequent Event
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity | €							€ 450
Line of credit facility, minimum borrowing capacity | €							€ 30
Consolidated Net GEBV Indebtedness to Consolidated GEBV EBITDA ratio, minimum							3.0
Secured Debt | Pan-European Accounts Receivable Facility | Line of Credit | Forecast
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity | €						€ 300
Secured Debt | Accounts Receivable Factoring Facilities
Line Of Credit Facility [Line Items]
Off-balance sheet accounts receivable securitization		$ 752		$ 752						$ 773
All-Borrower Tranche | Amended and Restated Senior Secured European Revolving Credit Facility | Line of Credit
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity | €								€ 620