Supplemental Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest Paid, Excluding Capitalized Interest, Operating Activities	$ 116	$ 140	$ 154
Accrued Liabilities
Accrued and other liabilities	768	676
Accrued rebates	115	125
Due to Related Parties, Current	41	54
Non-Cash Investing Activity [Abstract]
Increase (Decrease) in Capital Expenditure Accrual	(14)	48	9
Restructuring and Related Activities [Abstract]
Restructuring, transaction and integration-related costs	37	33	29
Business Acquisition, Transaction Costs	26
Other Income and Expenses [Abstract]
Income (Loss) from Subsidiaries, Net of Tax	17	16	10
Interest Income, Other	20	17
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement		25
Operating Lease, Payments	112
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	119
Income Taxes Paid, Net	$ 77	$ 376	$ 84