Leases (Tables)

9 Months Ended

Sep. 30, 2019

Leases [Abstract]

Lessee, Operating Lease, Disclosure

(Dollar amounts in millions)	September 30, 2019
Operating assets and liabilities
Operating right-of-use assets, net of amortization	$	231
Operating lease liabilities	250
Weighted average remaining lease term (years)
Operating leases	9.1
Finance leases	19.1
Weighted average discount rate
Operating leases	3.2		%
Finance leases	3.3		%

Lease, Cost [Table Text Block]

(In millions)	Three Months Ended September 30, 2019		Nine Months Ended September 30, 2019
Operating lease costs	$	12	$	36
Variable lease costs	14		40
Total lease cost	$	26	$	76

Supplemental Cash Flow, Lease Related

(In millions)	Three Months Ended September 30, 2019		Nine Months Ended September 30, 2019
Cash paid for amounts in the measurement of lease liabilities:
Operating cash disbursements from operating leases	$	13	$	37

Finance Lease, Liability, Maturity [Table Text Block]

(In millions)
2019 1	$	33
2020	49
2021	44
2022	39
2023	32
Thereafter	120
Total	$	317

¹ Contractual maturities for the three months remaining in 2019.

Right of use assets obtained in exchange for lease liabilities

(In millions)	Three Months Ended September 30, 2019		Nine Months Ended September 30, 2019
New operating lease liabilities	$	6	$	10
New finance lease liabilities	3		6
Total	$	9	$	16