Leases - Other Information (Details)	3 Months Ended
	Mar. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Lease cost	$ 184,000,000
Cash flow from operating activities	48
Cash flow from investing activities	19
Short-term lease costs	86,000,000
Variable lease costs	31,000,000
Cost of sales
Lessee, Lease, Description [Line Items]
Lease cost	77,000,000
Selling, general and administrative expenses
Lessee, Lease, Description [Line Items]
Lease cost	16,000,000
Property, plant and equipment, net
Lessee, Lease, Description [Line Items]
Lease cost	$ 91,000,000