Leases - Schedule of Components of Lease Expense (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Total operating lease cost	$ 232
Finance lease cost:
Interest on lease liabilities	1
Amortization of right-of-use assets	2
Total finance lease cost	3
Total lease cost	235
Variable lease costs	15
Short-term lease costs	5
Cost of sales, exclusive of depreciation and amortization
Lessee, Lease, Description [Line Items]
Total operating lease cost	34
Selling, general and administrative
Lessee, Lease, Description [Line Items]
Total operating lease cost	$ 198