Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Future Minimum Lease Payments

Minimum lease payments under operating leases with non-cancelable terms in excess of one year for the years ending December 31 are as follows:

In millions
2019	$	67
2020	48
2021	32
2022	24
2023	18
2024 and future years	34
Total future minimum lease payments	$	223