SHORT-TERM BORROWINGS, LONG-TERM DEBT AND AVAILABLE CREDIT FACILITIES AND OTHER OBLIGATIONS - Long-Term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Finance lease obligations	$ 9	$ 9
Less: Unamortized debt discount and issuance costs	76	40
Less: Long-term debt due within one year	0	1,848
Long-Term Debt	3,134	5,323
Original unamortized issue fees	21
Additional capitalized unamortized fees	55
Interest rate swap agreements
Debt Instrument [Line Items]
Unamortized basis adjustment	35	48
Fair value hedging adjustment	4
Promissory Notes | Final maturity 2025
Debt Instrument [Line Items]
Long-term debt, gross	$ 0	$ 1,850
Weighted Average Rate	0.00%	4.49%
Promissory Notes | Final maturity 2028
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,350	$ 2,250
Weighted Average Rate	4.73%	4.73%
Promissory Notes | Final maturity 2030 and thereafter
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,851	$ 3,102
Weighted Average Rate	5.49%	5.47%