Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income (loss)	$ 73	$ 47	$ (153)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	77	75	81
Amortization	227	127	182
Restructuring charges, net of cash paid	22
Impairment of goodwill			197
Deferred taxes	(47)	6	(74)
Share-based compensation expense	18	12	5
Profit-sharing expense	15	15	14
Non-cash lease expense	67	31	30
Net periodic pension benefit	(35)
(Gain) loss on extinguishment of debt, net	(5)	9
Other, net	3	7
Pension contributions	(34)
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	(148)	(99)	120
Contract assets	(69)	(73)	118
Inventories	(30)	(2)	11
Prepaid expenses and other current assets	(1)	4	(2)
Accounts payable	71	78	(24)
Accrued liabilities and income taxes payable	47	15	(2)
Contract liabilities	71	19	17
Other assets and liabilities	(52)	(89)	(24)
Net cash provided by operating activities	270	182	496
Cash flows from investing activities:
Acquisitions, net of cash acquired	(2,839)	(86)	(319)
Purchases of property and equipment	(79)	(55)	(38)
Proceeds from sales of property, equipment, held for sale assets, and businesses	17	20	17
Net cash used in investing activities	(2,901)	(121)	(340)
Cash flows from financing activities:
Proceeds from long-term borrowings	1,104	650	250
Payments on long-term borrowings	(34)	(321)	(21)
Repurchases of long-term borrowings	(30)
Payments of debt issuance costs	(29)	(11)	(8)
Repurchases of common stock	(44)		(30)
Proceeds from equity issuances	797	676	3
Payments of acquisition-related consideration	(5)	(74)	(93)
Restricted shares tendered for taxes	(3)	(3)	(2)
Net cash provided by financing activities	1,756	917	99
Effect of foreign currency exchange rate change on cash, cash equivalents, and restricted cash	(9)	(2)	4
Net (decrease) increase in cash, cash equivalents, and restricted cash	(884)	976	259
Cash, cash equivalents, and restricted cash, beginning of period	1,491	515	256
Cash, cash equivalents, and restricted cash, end of period	607	1,491	515
Supplemental cash flow disclosures:
Cash paid for interest	120	41	47
Cash paid for income taxes, net of refunds	43	66	29
Accrued consideration issued in business combinations	1	18	$ 5
Shares of common stock issued to profit sharing plan	$ 13	$ 13