Redeemable Noncontrolling Interests and Noncontrolling Interests (Tables)

12 Months Ended

Mar. 31, 2019

Noncontrolling Interest [Abstract]

Schedule of Changes in Noncontrolling Interest

Changes in redeemable noncontrolling interests and noncontrolling interests for the years ended March 31, 2019 and 2018 were as follows:

(In millions)	Noncontrolling Interests			Redeemable Noncontrolling Interests
Balance, March 31, 2017	$	178		$	1,327
Net income attributable to noncontrolling interests	187			43
Other comprehensive income	—			185
Reclassification of recurring compensation to other accrued liabilities	—			(43		)
Payments to noncontrolling interests	(98		)	—
Exercises of Put Right	—			(53		)
Other	(14		)	—
Balance, March 31, 2018	$	253		$	1,459
Net income attributable to noncontrolling interests	176			45
Other comprehensive income	—			(66		)
Reclassification of recurring compensation to other accrued liabilities	—			(45		)
Payments to noncontrolling interests	(184		)	—
Other	(52		)	—
Balance, March 31, 2019	$	193		$	1,393