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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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FINANCING ACTIVITIES - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Apr. 30, 2025	Apr. 20, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2020	Jul. 31, 2020	May 01, 2020	Feb. 29, 2020	Nov. 30, 2016	Feb. 28, 1997
Debt Instrument [Line Items]
Finance leases			$ 91	$ 104
Debt and lease obligation			6,704	8,023
Less current maturities			1,630	29
Less debt discount and issuance costs			5	16
Long-term debt less current maturities			$ 5,069	7,978
5.25% Notes due 2025 \| Unsecured Debt
Debt Instrument [Line Items]
Interest rate stated in the debt agreement (as a percent)			5.25%		5.25%
Long term debt			$ 0	1,302		$ 300
1.25% Convertible Notes \| Convertible Notes
Debt Instrument [Line Items]
Interest rate stated in the debt agreement (as a percent)			1.25%				1.25%
Long term debt			$ 1,611	1,611
3.00% Notes
Debt Instrument [Line Items]
Interest rate stated in the debt agreement (as a percent)									3.00%
3.00% Notes \| Unsecured Debt
Debt Instrument [Line Items]
Interest rate stated in the debt agreement (as a percent)			3.00%
Long term debt			$ 300	300
7.375% Debentures
Debt Instrument [Line Items]
Interest rate stated in the debt agreement (as a percent)										7.375%
7.375% Debentures \| Unsecured Debt
Debt Instrument [Line Items]
Interest rate stated in the debt agreement (as a percent)			7.375%
Long term debt			$ 107	111
3.45% Notes \| Unsecured Debt
Debt Instrument [Line Items]
Interest rate stated in the debt agreement (as a percent)			3.45%
Long term debt			$ 300	300
5.125% Notes \| Unsecured Debt
Debt Instrument [Line Items]
Interest rate stated in the debt agreement (as a percent)			5.125%		5.125%
Long term debt			$ 1,727	1,727		$ 700
2.625% Notes
Debt Instrument [Line Items]
Interest rate stated in the debt agreement (as a percent)								2.625%
2.625% Notes \| Unsecured Debt
Debt Instrument [Line Items]
Interest rate stated in the debt agreement (as a percent)			2.625%
Long term debt			$ 500	500
1.000% Payroll Support Program Loan due 2030 \| Unsecured Debt
Debt Instrument [Line Items]
Interest rate stated in the debt agreement (as a percent)			1.00%
Long term debt			$ 976	976
1.000% Payroll Support Program Loan due 2030 \| Unsecured Debt \| Forecast
Debt Instrument [Line Items]
Spread on variable rate (as a percent)		2.00%
1.000% Payroll Support Program Loan due 2031 \| Unsecured Debt
Debt Instrument [Line Items]
Interest rate stated in the debt agreement (as a percent)			1.00%
Long term debt			$ 566	566
1.000% Payroll Support Program Loan due 2031 \| Unsecured Debt \| Forecast
Debt Instrument [Line Items]
Spread on variable rate (as a percent)		2.00%
1.000% Payroll Support Program Loan due 2031 \| Unsecured Debt
Debt Instrument [Line Items]
Interest rate stated in the debt agreement (as a percent)			1.00%
Long term debt			$ 526	$ 526
1.000% Payroll Support Program Loan due 2031 \| Unsecured Debt \| Forecast
Debt Instrument [Line Items]
Spread on variable rate (as a percent)	2.00%