CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 1,274	$ 1,366
Trade accounts receivable and unbilled services, net	2,640	2,551
Prepaid expenses	176	156
Income taxes receivable	47	58
Investments in debt, equity and other securities	87	111
Other current assets and receivables	528	521
Total current assets	4,752	4,763
Property and equipment, net	507	497
Operating lease right-of-use assets	333	406
Investments in debt, equity and other securities	64	76
Investments in unconsolidated affiliates	87	88
Goodwill	13,177	13,301
Other identifiable intangibles, net	4,718	4,943
Deferred income taxes	97	124
Deposits and other assets	488	491
Total assets	24,223	24,689
Current liabilities:
Accounts payable and accrued expenses	2,971	2,981
Unearned income	1,842	1,825
Income taxes payable	124	137
Current portion of long-term debt	151	91
Other current liabilities	165	207
Total current liabilities	5,253	5,241
Long-term debt, less current portion	12,243	12,034
Deferred income taxes	560	410
Operating lease liabilities	259	313
Other liabilities	561	649
Total liabilities	18,876	18,647
Commitments and contingencies (Note 8)
Stockholders’ equity:
Common stock and additional paid-in capital, 400.0 shares authorized as of September 30, 2022 and December 31, 2021, $0.01 par value, 256.3 shares issued and 185.8 shares outstanding as of September 30, 2022; 255.8 shares issued and 190.6 shares outstanding as of December 31, 2021	10,853	10,777
Retained earnings	3,107	2,243
Treasury stock, at cost, 70.5 and 65.2 shares as of September 30, 2022 and December 31, 2021, respectively	(7,715)	(6,572)
Accumulated other comprehensive loss	(898)	(406)
Total stockholders’ equity	5,347	6,042
Total liabilities and stockholders’ equity	$ 24,223	$ 24,689