Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating activities
Net income (loss)	$ 59	$ 98	$ (78)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Loss (income) from discontinued operations	4	0	72
Loss on debt extinguishment	0	42	20
Depreciation and amortization	610	517	364
Stock-based compensation expense	125	154	108
Deferred income taxes	60	89	(112)
Loss (gain) on disposal of property, plant and equipment and other assets	(10)	0	(1)
Loss on divestiture	9	0	0
Impairment of other assets	0	24	46
Bargain purchase gain on acquisition	0	0	(7)
Changes in assets and liabilities:
Receivables	(216)	215	420
Inventories	(188)	(195)	168
Current payables and accrued expenses	29	255	(295)
Contract liabilities	(1)	(15)	2
Employee benefit plans	(61)	(147)	(51)
Other assets and liabilities	27	40	(15)
Net cash provided by operating activities	447	1,077	641
Investing activities
Expenditures for property, plant and equipment	(92)	(106)	(31)
Proceeds from sales of property, plant and equipment	10	1	7
Additions to capitalized software	(285)	(242)	(232)
Business acquisitions, net of cash acquired	(13)	(2,473)	(25)
Proceeds from divestiture, net	(2)	0	0
Purchases of short-term investments	0	(13)	(20)
Proceeds from sale of short-term investments	0	14	27
Other investing activities, net	(5)	(7)	(3)
Net cash used in investing activities	(387)	(2,826)	(277)
Financing activities
Short term borrowings, net	1	0	0
Payments on term credit facilities	(63)	(107)	(12)
Borrowings on term credit facilities	0	1,505	4
Payments on revolving credit facilities	(1,192)	(1,650)	(1,998)
Borrowings on revolving credit facilities	1,333	1,756	1,535
Payments of senior unsecured notes	0	(400)	(1,300)
Proceeds from issuance of senior unsecured and other notes	12	1,200	1,500
Debt issuance costs and bridge commitment fees	0	(53)	(21)
Call premium paid on debt extinguishment	0	(37)	(15)
Cash paid for Series A Convertible Preferred Stock dividends	(15)	(15)	(9)
Repurchases of common stock	0	0	(41)
Tax withholding payments on behalf of employees	(59)	(50)	(28)
Proceeds from employee stock plans	31	44	17
Net change in client funds obligations	(28)	4	12
Repurchase of Series A Preferred shares	0	0	(144)
Principal payments for finance lease obligations	(15)	(17)	(13)
Other financing activities	(4)	(2)	(1)
Net cash provided by (used in) financing activities	1	2,178	(514)
Cash flows from discontinued operations
Net cash provided by (used in) operating activities of discontinued operations	(20)	(68)	0
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(50)	(18)	(7)
Increase (decrease) in cash, cash equivalents and restricted cash	(9)	343	(157)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash at beginning of period	749	406	563
Cash, cash equivalents and restricted cash at end of period	$ 740	$ 749	$ 406