Cooper Tire Acquisition - Calculation of Merger Consideration (Details) $ / shares in Units, $ in Millions	Jun. 07, 2021 USD ($) $ / shares shares	Sep. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Business Acquisition [Line Items]
Goodwill		$ 1,017	$ 408
Merger Consideration	$ 3,097
Cooper Tire Stockholders
Business Acquisition [Line Items]
Common stock, shares issued | shares	46,060,349
Cooper Tire
Business Acquisition [Line Items]
Cash paid for Cooper Tire Shares	$ 2,121
Share price (per share) | $ / shares	$ 41.75
Cash paid for other Cooper Tire incentive compensation awards	$ 34
Cash component of the Merger Consideration	2,155
Merger consideration	$ 3,100
Cooper Tire Shares | shares	50,793,160
Less: Cooper Tire Shares settled in cash | shares	9,975
Cooper Tire Share, net of settlement | shares	50,783,185
Exchange ratio	0.907
Property, Plant and Equipment	$ 1,341
Cooper Tire | Equity-Based Compensation Plan
Business Acquisition [Line Items]
Cooper Tire Shares | shares	269,238
Cooper Tire | Common Stock
Business Acquisition [Line Items]
Cooper Tire Shares | shares	50,523,922
Cooper Tire | Cooper Tire Stockholders
Business Acquisition [Line Items]
Common stock, shares issued | shares	46,060,349
Share price (per share) | $ / shares	$ 20.46
Share price, Total	$ 942
Cooper Tire | Updated Preliminary Purchase Price Allocation [Member]
Business Acquisition [Line Items]
Cash and Cash Equivalents	231
Accounts Receivable	626
Inventories	683
Property, Plant and Equipment	1,341
Goodwill	626
Intangible Assets	926
Other Assets	354
Assets, Total	4,787
Accounts Payable - Trade	464
Compensation and Benefits	385
Debt, Finance Leases and Notes Payable and Overdrafts	151
Deferred Tax Liabilities, net	298
Other Liabilities	371
Minority Equity	21
Liabilities, Total	1,690
Merger Consideration	3,097
Cooper Tire | Initial Preliminary Purchase Price Allocation [Member]
Business Acquisition [Line Items]
Cash and Cash Equivalents	231
Accounts Receivable	621
Inventories	693
Property, Plant and Equipment	1,372
Goodwill	475
Intangible Assets	1,086
Other Assets	362
Assets, Total	4,840
Accounts Payable - Trade	464
Compensation and Benefits	386
Debt, Finance Leases and Notes Payable and Overdrafts	151
Deferred Tax Liabilities, net	347
Other Liabilities	374
Minority Equity	21
Liabilities, Total	1,743
Merger Consideration	3,097
Cooper Tire | Measurement Period Changes [Member]
Business Acquisition [Line Items]
Cash and Cash Equivalents	0
Accounts Receivable	5
Inventories	(10)
Property, Plant and Equipment	(31)
Goodwill	151
Intangible Assets	(160)
Other Assets	(8)
Assets, Total	(53)
Accounts Payable - Trade	0
Compensation and Benefits	(1)
Debt, Finance Leases and Notes Payable and Overdrafts	0
Deferred Tax Liabilities, net	(49)
Other Liabilities	(3)
Minority Equity	0
Liabilities, Total	(53)
Merger Consideration	$ 0