Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Operating activities
Net income (loss)	$ (95)	$ 77
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Loss (income) from discontinued operations	1	(5)
Depreciation and amortization	461	451
Stock-based compensation expense	98	97
Deferred income taxes	204	24
Gain on terminated interest rate derivative agreements	(103)	0
Impairment of other assets	7	0
Loss (gain) on disposal of property, plant and equipment and other assets	(2)	4
(Gain) loss on divestiture	(10)	0
Changes in assets and liabilities, net of effects of business acquired:
Receivables	122	(274)
Inventories	(12)	(220)
Current payables and accrued expenses	16	113
Contract liabilities	(6)	(24)
Employee benefit plans	(10)	(3)
Other assets and liabilities	57	5
Net cash provided by operating activities	728	245
Investing activities
Expenditures for property, plant and equipment	(112)	(72)
Proceeds from sale of property, plant and equipment and other assets	8	8
Additions to capitalized software	(194)	(217)
Business acquisitions, net of cash acquired	(7)	(12)
Proceeds from divestiture	10	0
Purchases of investments	(10)	0
Other investing activities, net	0	(5)
Net cash used in investing activities	(305)	(298)
Financing activities
Payments on term credit facilities	(77)	(31)
Payments on revolving credit facilities	(2,044)	(846)
Borrowings on term credit facilities	726	0
Borrowings on revolving credit facilities	1,959	1,021
Proceeds from issuance of senior unsecured notes	1,333	0
Payments on other financing arrangements	(2)	0
Cash dividend paid for Series A preferred shares dividends	(11)	(11)
Proceeds from employee stock plans	23	19
Tax withholding payments on behalf of employees	(16)	(38)
Net change in client funds obligations	0	(6)
Principal payments for finance lease obligations	(12)	(12)
Other financing activities	0	(3)
Net cash provided by (used in) financing activities	1,879	93
Cash flows from discontinued operations
Net cash provided by (used in) operating activities of discontinued operations	(1)	(1)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(28)	(43)
Increase (decrease) in cash, cash equivalents, and restricted cash	2,273	(4)
Cash, cash equivalents and restricted cash at beginning of period	740	749
Cash, cash equivalents and restricted cash at end of period	$ 3,013	$ 745