CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (UNAUDITED) - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Other Comprehensive Loss	Retained Earnings	Non-Controlling Interest
Beginning Balance, Value at Dec. 31, 2022	$ 4,607	$ 30	$ 920	$ (748)	$ (148)	$ 4,553
Beginning Balance, Shares at Dec. 31, 2022		283
Net income	236					236
Foreign currency translation	47				47
Employee stock purchase plan	3		3
Stock incentive plans	21		21
Stock incentive plans, Shares		1
Repurchase shares to fund tax withholdings for non-cash stock-based compensation	(36)		(36)
Cash dividends paid	(33)					(33)
Ending Balance, Value at Mar. 31, 2023	4,845	$ 30	908	(748)	(101)	4,756
Ending Balance, Shares at Mar. 31, 2023		284
Beginning Balance, Value at Dec. 31, 2022	4,607	$ 30	920	(748)	(148)	4,553
Beginning Balance, Shares at Dec. 31, 2022		283
Net income	602
Ending Balance, Value at Sep. 30, 2023	5,199	$ 30	987	(748)	(127)	5,057
Ending Balance, Shares at Sep. 30, 2023		284
Beginning Balance, Value at Mar. 31, 2023	4,845	$ 30	908	(748)	(101)	4,756
Beginning Balance, Shares at Mar. 31, 2023		284
Net income	190					190
Foreign currency translation	51				51
Employee stock purchase plan	2		2
Stock incentive plans	19		19
Directors	1		1
Repurchase shares to fund tax withholdings for non-cash stock-based compensation	(3)		(3)
Cash dividends paid	(32)					(32)
Ending Balance, Value at Jun. 30, 2023	5,073	$ 30	927	(748)	(50)	4,914
Ending Balance, Shares at Jun. 30, 2023		284
Net income	176					176
Foreign currency translation	(77)				(77)
Employee stock purchase plan	43		43
Stock incentive plans	18		18
Agency acquisition	1		1
Cash dividends paid	(33)					(33)
Ending Balance, Value at Sep. 30, 2023	5,199	$ 30	987	(748)	(127)	5,057
Ending Balance, Shares at Sep. 30, 2023		284
Beginning Balance, Value at Dec. 31, 2023	$ 5,579	$ 30	1,027	(748)	(19)	5,289
Beginning Balance, Shares at Dec. 31, 2023	285	285
Net income	$ 294					293	$ 1
Foreign currency translation	(32)				(32)
Employee stock purchase plan	4		4
Stock incentive plans	25		25
Stock incentive plans, Shares		1
Net non-controlling interest acquired (disposed)	9		1				8
Repurchase shares to fund tax withholdings for non-cash stock-based compensation	(54)		(54)
Repurchase shares to fund tax withholdings for non-cash stock-based compensation, shares		(1)
Cash dividends paid	(38)					(38)
Ending Balance, Value at Mar. 31, 2024	5,787	$ 30	1,003	(748)	(51)	5,544	9
Ending Balance, Shares at Mar. 31, 2024		285
Beginning Balance, Value at Dec. 31, 2023	$ 5,579	$ 30	1,027	(748)	(19)	5,289
Beginning Balance, Shares at Dec. 31, 2023	285	285
Net income	$ 791
Ending Balance, Value at Sep. 30, 2024	$ 6,480	$ 31	1,095	(748)	125	5,961	16
Ending Balance, Shares at Sep. 30, 2024	286	286
Beginning Balance, Value at Mar. 31, 2024	$ 5,787	$ 30	1,003	(748)	(51)	5,544	9
Beginning Balance, Shares at Mar. 31, 2024		285
Net income	258					256	2
Foreign currency translation	4				4
Employee stock purchase plan	3		3
Stock incentive plans	20		20
Directors	1		1
Cash dividends paid	(36)					(36)
Ending Balance, Value at Jun. 30, 2024	6,037	$ 30	1,027	(748)	(47)	5,764	11
Ending Balance, Shares at Jun. 30, 2024		285
Net income	239					234	5
Foreign currency translation	172				172
Employee stock purchase plan	47	$ 1	46
Employee stock purchase plan, Shares		1
Stock incentive plans	22		22
Cash dividends paid	(37)					(37)
Ending Balance, Value at Sep. 30, 2024	$ 6,480	$ 31	$ 1,095	$ (748)	$ 125	$ 5,961	$ 16
Ending Balance, Shares at Sep. 30, 2024	286	286