Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Lessee, Operating Lease, Disclosure [Table Text Block]

Leases (in millions)	Consolidated Balance Sheet Classification	March 31, 2019
Assets
Operating lease assets	Other non-current assets	$	98
Total operating lease assets		$	98
Liabilities
Current
Operating lease liabilities	Accounts payable and accrued expenses	$	23
Noncurrent
Operating lease liabilities	Other non-current liabilities	74
Total operating lease liabilities		$	97

Other Information	Three Months Ended
(In millions)	March 31, 2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows for operating leases	$	6

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Future minimum operating lease payments at December 31, 2018 were as follows:

(millions of dollars)
2019	$	24
2020	21
2021	15
2022	13
2023	10
After 2023	38
Total minimum lease payments	$	121

Maturity of Lease Liabilities (undiscounted) as of March 31, 2019 (millions of dollars)	Operating Leases
2019 (excluding the three months ended March 31, 2019)	$	18
2020	20
2021	15
2022	12
2023	8
After 2023	37
Total lease payments	$	110
Less: Imputed interest	13
Present value of lease liabilities	$	97

Lease term and discount rate [Table Text Block]

Lease Term and Discount Rate	March 31, 2019
Weighted-average remaining lease term (years)
Operating leases	8
Finance leases	2
Weighted-average discount rate
Operating leases	2.7	%
Finance leases	3.1	%