Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating activities:
Net income	$ 178	$ 198
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	96	86
Deferred income taxes	5	3
Provision for bad debts	2	1
Share-based compensation expense	32	29
Other non-cash items	1	1
Foreign currency transaction losses (gains)	1	(2)
Changes in other operating assets and liabilities, net of effect of acquisitions:
Decrease in trade accounts receivable	308	193
Decrease in deferred revenue	(172)	(245)
Decrease in taxes payable, net	(56)	(38)
(Decrease) increase in accounts payable, accrued expenses and other	(5)	8
Decrease in accrued salaries, wages and commissions	(102)	(65)
Changes in other operating assets and liabilities, net	10	25
Net cash provided by operating activities	298	194
Investing activities:
Acquisitions of businesses, net of cash acquired, and purchased software	(6)	(1)
Purchases of property and equipment	(12)	(8)
Net cash used in investing activities	(18)	(9)
Financing activities:
Dividends paid	(107)	(107)
Purchases of common stock	0	(50)
Notional pooling borrowings	737	190
Notional pooling repayments	(755)	(186)
Debt repayments	(5)	(4)
Debt issuance costs	(3)	0
Exercise of common stock options	1	10
Payments related to tax withholding for share-based compensation	(31)	(30)
Other financing activities	(3)	0
Net cash used in financing activities	(166)	(177)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	88	(44)
Increase (decrease) in cash, cash equivalents and restricted cash	202	(36)
Cash, cash equivalents and restricted cash at beginning of period	2,772	2,813
Cash, cash equivalents and restricted cash at end of period	$ 2,974	$ 2,777