Basis of Presentation and Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2019

Accounting Policies [Abstract]

Schedule of Net Contract Assets and Contract Liabilities Balances

The following table presents the net contract asset and contract liability balances as of March 31, 2019 and December 31, 2018.

In millions	Location in the Condensed Consolidated Balance Sheet	March 31, 2019		December 31, 2018
Current portion of contract assets	Other current assets	$	19	$	22
Current portion of contract liabilities	Contract liabilities	$	566	$	461
Non-current portion of contract liabilities	Other liabilities	$	83	$	85