Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating activities
Net income (loss)	$ 88	$ 126
Adjustments to reconcile net income to net cash provided by operating activities:
Loss from discontinued operations	0	0
Depreciation and amortization	176	160
Stock-based compensation expense	45	48
Deferred income taxes	(30)	(17)
Impairment of other assets	4	0
Gain on sale of property, plant and equipment	(2)	(6)
Changes in assets and liabilities:
Receivables	253	(71)
Inventories	(14)	(64)
Current payables and accrued expenses	(230)	(144)
Contract liabilities	56	76
Employee benefit plans	(3)	(9)
Other assets and liabilities	(60)	(28)
Net cash provided by operating activities	283	71
Investing activities
Expenditures for property, plant and equipment	(18)	(35)
Proceeds from sale of property, plant and equipment	7	11
Additions to capitalized software	(122)	(103)
Business acquisitions, net	(25)	(12)
Purchases of investments	(6)	0
Proceeds from sales of investments	11	0
Other investing activities, net	(1)	5
Net Cash Provided by (Used in) Investing Activities	(154)	(134)
Financing activities
Short term borrowings, net	0	4
Payments on term credit facilities	(4)	(39)
Payments on revolving credit facilities	(666)	(914)
Proceeds from Issuance of Secured Debt	3	0
Borrowings on revolving credit facilities	1,404	897
Proceeds from Issuance of Unsecured Debt	400	0
Payments of Debt Issuance Costs	(8)	0
Payments of Ordinary Dividends, Preferred Stock and Preference Stock	(6)	0
Repurchases of Common Stock	(41)	0
Proceeds from employee stock plans	9	10
Tax withholding payments on behalf of employees	(25)	(16)
Increase (Decrease) in Client Funds Held	(3)	0
Proceeds from (Payments for) Other Financing Activities	(6)	0
Net Cash Provided by (Used in) Financing Activities	1,057	(58)
Cash flows from discontinued operations
Net cash provided by (used in) operating activities	6	(11)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(16)	1
Increase (decrease) in cash, cash equivalents, and restricted cash	1,176	(131)
Cash and cash equivalents at beginning of period	563	532
Cash, Cash Equivalents, Restricted Cash and Restricted Cash at end of period	$ 1,739	$ 401