DEBT AND CREDIT FACILITIES - Schedule of Debt (Details) - USD ($) $ in Millions	Dec. 31, 2023	Oct. 31, 2023	Dec. 31, 2022	May 31, 2019
Debt Instrument [Line Items]
Total debt and finance lease obligations	$ 13,798		$ 16,636
Short-term debt	0		(299)
Current maturities of long-term debt and finance lease obligations	(2,668)		(1,105)
Long-term debt and finance lease obligations	$ 11,130		15,232
Commercial paper
Debt Instrument [Line Items]
Effective interest rate	0.00%
Total debt and finance lease obligations	$ 0		299
0.868% notes due 2023
Debt Instrument [Line Items]
Senior notes, coupon rates	0.868%
Effective interest rate	0.00%
Total debt and finance lease obligations	$ 0		799
Floating-rate notes due 2023
Debt Instrument [Line Items]
Effective interest rate	0.00%
Total debt and finance lease obligations	$ 0		299
0.4% notes due 2024
Debt Instrument [Line Items]
Senior notes, coupon rates	0.40%	0.40%		0.40%
Effective interest rate	0.30%
Total debt and finance lease obligations	$ 828		799
1.322% notes due 2024
Debt Instrument [Line Items]
Senior notes, coupon rates	1.322%
Effective interest rate	1.50%
Total debt and finance lease obligations	$ 1,398		1,395
7.0% notes due 2024
Debt Instrument [Line Items]
Senior notes, coupon rates	7.00%
Effective interest rate	7.00%
Total debt and finance lease obligations	$ 13		13
Floating-rate notes due 2024
Debt Instrument [Line Items]
Effective interest rate	5.70%
Total debt and finance lease obligations	$ 300		299
Term loan maturing 2024
Debt Instrument [Line Items]
Effective interest rate	6.90%
Total debt and finance lease obligations	$ 130		1,664
1.3% notes due 2025
Debt Instrument [Line Items]
Senior notes, coupon rates	1.30%
Effective interest rate	1.10%
Total debt and finance lease obligations	$ 662		640
2.6% notes due 2026
Debt Instrument [Line Items]
Senior notes, coupon rates	2.60%
Effective interest rate	2.70%
Total debt and finance lease obligations	$ 748		748
Term loan maturing 2026
Debt Instrument [Line Items]
Effective interest rate	6.50%
Total debt and finance lease obligations	$ 1,643		1,643
7.65% debentures due 2027
Debt Instrument [Line Items]
Senior notes, coupon rates	7.65%
Effective interest rate	8.30%
Total debt and finance lease obligations	$ 5		5
1.915% notes due 2027
Debt Instrument [Line Items]
Senior notes, coupon rates	1.915%
Effective interest rate	2.00%
Total debt and finance lease obligations	$ 1,445		1,443
6.625% debentures due 2028
Debt Instrument [Line Items]
Senior notes, coupon rates	6.625%
Effective interest rate	5.70%
Total debt and finance lease obligations	$ 95		96
2.272% notes due 2028
Debt Instrument [Line Items]
Senior notes, coupon rates	2.272%
Effective interest rate	2.40%
Total debt and finance lease obligations	$ 1,244		1,242
1.3% notes due 2029
Debt Instrument [Line Items]
Senior notes, coupon rates	1.30%			1.30%
Effective interest rate	1.40%
Total debt and finance lease obligations	$ 828		792
3.95% notes due 2030
Debt Instrument [Line Items]
Senior notes, coupon rates	3.95%
Effective interest rate	4.10%
Total debt and finance lease obligations	$ 496		496
1.73% notes due 2031
Debt Instrument [Line Items]
Senior notes, coupon rates	1.73%
Effective interest rate	2.70%
Total debt and finance lease obligations	$ 646		645
2.539% notes due 2032
Debt Instrument [Line Items]
Senior notes, coupon rates	2.539%
Effective interest rate	2.60%
Total debt and finance lease obligations	$ 1,540		1,538
6.25% notes due 2037
Debt Instrument [Line Items]
Senior notes, coupon rates	6.25%
Effective interest rate	6.40%
Total debt and finance lease obligations	$ 265		265
3.65% notes due 2042
Debt Instrument [Line Items]
Senior notes, coupon rates	3.65%
Effective interest rate	3.80%
Total debt and finance lease obligations	$ 6		7
4.5% notes due 2043
Debt Instrument [Line Items]
Senior notes, coupon rates	4.50%
Effective interest rate	4.60%
Total debt and finance lease obligations	$ 256		256
3.5% notes due 2046
Debt Instrument [Line Items]
Senior notes, coupon rates	3.50%
Effective interest rate	3.70%
Total debt and finance lease obligations	$ 440		441
3.132% notes due 2051
Debt Instrument [Line Items]
Senior notes, coupon rates	3.132%
Effective interest rate	3.20%
Total debt and finance lease obligations	$ 741		742
Finance leases and other
Debt Instrument [Line Items]
Effective interest rate	9.10%
Total debt and finance lease obligations	$ 69		$ 70