CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Revenue	$ 24,458	$ 22,736	$ 20,720
Expense:
Compensation and benefits	13,996	13,099	12,071
Other operating expenses	4,645	4,355	4,369
Operating expenses	18,641	17,454	16,440
Operating income	5,817	5,282	4,280
Other net benefits credits	268	239	235
Interest income	83	78	15
Interest expense	(700)	(578)	(469)
Investment income	12	5	21
Income before income taxes	5,480	5,026	4,082
Income tax expense	1,363	1,224	995
Net income before non-controlling interests	4,117	3,802	3,087
Less: Net income attributable to non-controlling interests	57	46	37
Net income attributable to the Company	$ 4,060	$ 3,756	$ 3,050
Net income per share attributable to the Company
Basic (in dollars per share)	$ 8.26	$ 7.60	$ 6.11
Diluted (in dollars per share)	$ 8.18	$ 7.53	$ 6.04
Average number of shares outstanding
Basic (in shares)	492	494	499
Diluted (in shares)	496	499	505
Shares outstanding (in shares)	491	492	495