Accounting Standard Cash Flow Reclassification (Tables)

12 Months Ended

Mar. 31, 2017

Accounting Standard Cash Flow Reclassification [Abstract]

Accounting Standard Cash Flow Reclassification [Table Text Block]

	Year Ended March 31,
(In millions):	2017	2016	2015
Excess tax benefit from stock-based compensation	65	86	22
Cash paid to taxing authorities for shares withheld from employees	130	156	83
Increase to net cash provided by Operating Activities and net cash used in Financing Activities	195	242	105