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SHORT-TERM AND LONG-TERM DEBT - Holdings Senior Notes and Senior Debentures Narrative (Details) - USD ($)	1 Months Ended		12 Months Ended
	Jun. 30, 2024	Jan. 31, 2023	Dec. 31, 2021	Dec. 31, 2024	Jun. 06, 2024	Dec. 31, 2023	Jan. 11, 2023	Apr. 20, 2018
Debt Instrument [Line Items]
Total long-term debt				$ 3,833,000,000		$ 3,820,000,000
Senior Notes
Debt Instrument [Line Items]
Debt instrument, stated percentage							5.59%
Debt instrument, face amount							$ 5,000,000
Short-term debt							$ 500,000,000
Redemption price, percentage		100.00%
Unsecured Debt
Debt Instrument [Line Items]
Debt instrument, stated percentage				7.00%		7.00%
Senior Notes (3.90%, due 2023) \| Senior Notes
Debt Instrument [Line Items]
Long-term debt								$ 800,000,000
Debt instrument, stated percentage								3.90%
Principal pre-payments			$ 280,000,000
Senior Note (4.35% due 2028) \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, stated percentage				4.35%				4.35%
Debt instrument, face amount								$ 1,500,000,000
Total long-term debt				$ 1,494,000,000		$ 1,493,000,000
Senior Debentures Notes Due 2028 And Senior Notes Due 2029 And 2048 \| Senior Notes
Debt Instrument [Line Items]
Loss on extinguishment of debt	$ 11,000,000
Senior Note (5.00% due 2048) \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, stated percentage	5.00%			5.00%				5.00%
Debt instrument, face amount								$ 1,500,000,000
Principal pre-payments	$ 195,000,000
Total long-term debt				$ 1,289,000,000		1,481,000,000
Senior Debenture, (7.0%, due 2028) \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, stated percentage	7.00%			7.00%
Principal pre-payments	$ 99,000,000
Total long-term debt				$ 250,000,000		349,000,000
Senior Note (4.572% due 2029) \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, stated percentage	4.572%			4.572%
Debt instrument, face amount	$ 600,000,000				$ 600,000,000
Principal pre-payments	$ 275,000,000
Total long-term debt				$ 303,000,000		$ 0