EMPLOYEE BENEFIT PLANS - Balance Sheet Position (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position
Noncurrent liabilities	$ (3,156)	$ (3,144)
Pension Benefits
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position
Other noncurrent assets	2,320	1,005
Current liabilities	(8)	(9)
Noncurrent liabilities	(54)	(58)
Funded status at end of period	2,258	938
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Tax
Net actuarial loss	(4,201)	(5,407)
Prior service credit	0	0
Total accumulated other comprehensive loss, pre-tax	(4,201)	(5,407)
Other Postretirement and Postemployment Benefits
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position
Other noncurrent assets	0	0
Current liabilities	(425)	(430)
Noncurrent liabilities	(2,792)	(2,808)
Funded status at end of period	(3,217)	(3,238)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Tax
Net actuarial loss	(216)	(103)
Prior service credit	(6)	(3)
Total accumulated other comprehensive loss, pre-tax	$ (222)	$ (106)

Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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