Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Lessee, Operating Lease, Disclosure

(Dollar amounts in millions)	June 30, 2019
Operating assets and liabilities
Operating right-of-use assets, net of amortization	$	232
Operating lease liabilities	251
Weighted average remaining lease term (years)
Operating leases	9.3
Finance leases	0.9
Weighted average discount rate
Operating leases	3.2		%
Finance leases	12.6		%

Lease, Cost [Table Text Block]

(In millions)	Three Months Ended June 30, 2019		Six Months Ended June 30, 2019
Operating lease costs	$	12	$	24
Variable lease costs	13		26
Total lease cost	$	25	$	50

Supplemental Cash Flow, Lease Related

(In millions)	Three Months Ended June 30, 2019		Six Months Ended June 30, 2019
Cash paid for amounts in the measurement of lease liabilities:
Operating cash disbursements from operating leases	$	12	$	24

Finance Lease, Liability, Maturity [Table Text Block]

(In millions)
2019 1	$	32
2020	47
2021	42
2022	37
2023	31
Thereafter	116
Total	$	305

¹ Contractual maturities for the six months remaining in 2019.