GOODWILL - Schedule of Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 13,745	$ 13,244
Additions	135	(34)
Foreign Exchange	(528)	535
Goodwill, ending balance	13,352	13,745
UKI
Goodwill [Roll Forward]
Goodwill, beginning balance	7,670	7,290
Additions	0	0
Foreign Exchange	(124)	380
Goodwill, ending balance	7,546	7,670
International
Goodwill [Roll Forward]
Goodwill, beginning balance	4,632	4,510
Additions	126	(34)
Foreign Exchange	(347)	156
Goodwill, ending balance	4,411	4,632
Australia
Goodwill [Roll Forward]
Goodwill, beginning balance	626	627
Additions	0	0
Foreign Exchange	(57)	(1)
Goodwill, ending balance	569	626
U.S.
Goodwill [Roll Forward]
Goodwill, beginning balance	817	817
Additions	9	0
Foreign Exchange	0	0
Goodwill, ending balance	$ 826	$ 817