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Dissolution of Global Alliance With Sumitomo Rubber Industries - Narrative (Details) - USD ($) $ in Millions		12 Months Ended
	Oct. 01, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of subsidiary	$ 125
Proceeds from sale of equity method investment	14
Proceeds from sale of test track	6
Pre-tax gain on asset sales		$ 14	$ 31	$ 71
Indemnification asset	32	35
Increase (decrease) in accumulated other comprehensive loss		(77)	$ (63)	(69)
Accounts receivable
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnification asset		5
Other Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnification asset		$ 30
SRI
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net amount paid upon closing transactions	271
Debt instrument, principal amount	$ 56
Promissory note, term	3 years
Proceeds on sale of common stock in SRI				47
Pre-tax gain on asset sales				48
Net gain on asset sales				38
Pre-tax charge for estimated product liability obligation				28
Increase (decrease) in accumulated other comprehensive loss				(77)
SRI \| Other (Income) Expense
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax gain on sale of common stock in SRI				30
SRI \| London Interbank Offered Rate (LIBOR)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Promissory note, basis spread on variable rate	0.10%
GDTE
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership interest acquired	25.00%
Consideration transferred	$ 387
Increase (decrease) in accumulated other comprehensive loss				107
Increase in capital surplus				60
NGY
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership interest acquired	75.00%
Consideration transferred	$ 29
GDTNA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Increase (decrease) in accumulated other comprehensive loss				$ (184)
GDTNA \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity ownership percentage	75.00%
DGT \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity ownership percentage	25.00%
DGT \| Disposal Group, Disposed of by Sale, Not Discontinued Operations \| SRI
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity ownership percentage	25.00%