Description Of Business And Basis Of Presentation (Tables)

3 Months Ended

Jun. 30, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

BALANCE SHEETS (In millions)	Balance at March 31, 2019		Adjustments due to New Lease Standard Adoption			Balance at April 1, 2019
Assets
Other current assets	$	313	$	(6	)	$	307
Other assets	114		215			329
Liabilities
Accrued and other current liabilities	$	1,052	$	47		$	1,099
Other liabilities	132		162			294