Acquisitions and Divestitures - Assets Held For Sale (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of assets		$ 9	$ 8	$ 6
Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventories	$ 33	33
Other current assets	5	5
Long-lived assets	23	23
Total assets held for sale	61	61
Accounts payable	21	21
Accrued liabilities	7	7
Other liabilities	11	11
Total liabilities held for sale	39	39
Motorsports Certain Assets and Liabilities | Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale price	29	$ 29
Proceeds from sale of assets	$ 22