LONG-TERM DEBT - DEBT ACTIVITY (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Debt instrument issued	$ 17,958	$ 28,493	$ 35,235
Variable rate bonds due 2021
Debt Instrument [Line Items]
Repayments of debt		(27)
Senior notes
Debt Instrument [Line Items]
Debt instrument issued	$ 18,000	28,500
Senior notes | 2.600% senior notes due 2022
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	2.60%
Repayments of debt	$ (101)
Senior notes | 2.700% senior notes due 2023
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	2.70%
Repayments of debt	$ (442)
Senior notes | 6.950% senior notes due 2024
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	6.95%
Repayments of debt	$ (359)
Senior notes | 3.450% senior notes due 2024
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	3.45%
Repayments of debt	$ (16)
Senior notes | 2.900% senior notes due 2024
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	2.90%
Repayments of debt	$ (295)
Senior notes | 3.500% senior notes due 2025
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	3.50%
Repayments of debt	$ (189)
Senior notes | 8.000% senior notes due 2025
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	8.00%
Repayments of debt	$ (500)
Senior notes | 5.875% senior notes due 2025
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	5.875%
Repayments of debt	$ (294)
Senior notes | 5.500% senior notes due 2025
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	5.50%
Repayments of debt	$ (285)
Senior notes | 5.550% senior notes due 2026
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	5.55%
Repayments of debt	$ (230)
Senior notes | 3.200% senior notes due 2026
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	3.20%
Repayments of debt	$ (615)
Senior notes | 3.400% senior notes due 2026
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	3.40%
Repayments of debt	$ (495)
Senior notes | 3.000% senior notes due 2027
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	3.00%
Repayments of debt	$ (418)
Senior notes | 8.500% senior notes due 2027
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	8.50%
Repayments of debt	$ (11)
Senior notes | 6.375% senior notes due 2028
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	6.375%
Repayments of debt	$ (22)
Senior notes | 3.500% senior notes due 2029
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	3.50%
Repayments of debt	$ (1,191)
Senior notes | 6.625% senior notes due 2030
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	6.625%
Repayments of debt	$ (51)
Senior notes | 6.125% senior notes due 2031
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	6.125%
Repayments of debt	$ (107)
Senior notes | 6.450% senior notes due 2036
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	6.45%
Repayments of debt	$ (23)
Senior notes | Zero Coupon senior notes due 2036
Debt Instrument [Line Items]
Debt instrument issued	673
Repayments of debt	$ (1,596)
Senior notes | 4.300% senior notes due 2039
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	4.30%
Repayments of debt	$ (446)
Senior notes | 6.200% senior notes due 2040
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	6.20%
Repayments of debt	$ (13)
Senior notes | 4.500% senior notes due 2044
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	4.50%
Repayments of debt	$ (417)
Senior notes | 4.625% senior notes due 2045
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	4.625%
Repayments of debt	$ (338)
Senior notes | 6.600% senior notes due 2046
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	6.60%
Repayments of debt	$ (40)
Debt activity		$ 57
Senior notes | 4.400% senior notes due 2046
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	4.40%
Repayments of debt	$ (552)
Senior notes | 4.100% senior notes due 2047
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	4.10%
Repayments of debt	$ (405)
Senior notes | 4.200% senior notes due 2048
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	4.20%
Repayments of debt	$ (657)
Senior notes | 4.400% senior notes due 2049
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	4.40%
Repayments of debt	$ (424)
Senior notes | 4.850% senior notes due 2021
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		4.85%
Repayments of debt		$ (147)
Senior notes | 2.600% senior notes due 2021
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		2.60%
Repayments of debt		$ (224)
Senior notes | 3.125% senior notes due 2022
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		3.125%
Repayments of debt		$ (276)
Senior notes | 2.700% senior notes due 2022
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		2.70%
Repayments of debt		$ (629)
Senior notes | Floating interest rate notes due August 2022
Debt Instrument [Line Items]
Repayments of debt		$ (1,052)
Senior notes | 2.700% senior notes due 2023
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		2.70%
Repayments of debt		$ (484)
Senior notes | 3.450% senior notes due 2024
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		3.45%
Repayments of debt		$ (121)
Senior notes | 2.900% senior notes due 2024
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		2.90%
Repayments of debt		$ (2,051)
Senior notes | 3.500% senior notes due 2025
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		3.50%
Repayments of debt		$ (424)
Senior notes | 3.400% senior notes due 2026
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		3.40%
Repayments of debt		$ (371)
Senior notes | 3.200% senior notes due 2026
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		3.20%
Repayments of debt		$ (203)
Senior notes | 3.000% senior notes due 2027
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		3.00%
Repayments of debt		$ (116)
Senior notes | 3.500% senior notes due 2029
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		3.50%
Repayments of debt		$ (23)
Senior notes | 4.300% senior notes due 2039
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		4.30%
Repayments of debt		$ (57)
Senior notes | 4.500% senior notes due 2044
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		4.50%
Repayments of debt		$ (17)
Senior notes | 4.625% senior notes due 2045
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		4.625%
Repayments of debt		$ (116)
Senior notes | 4.400% senior notes due 2046
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		4.40%
Repayments of debt		$ (224)
Senior notes | 4.100% senior notes due 2047
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		4.10%
Repayments of debt		$ (87)
Senior notes | 4.200% senior notes due 2048
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		4.20%
Repayments of debt		$ (39)
Senior notes | 4.400% senior notes due 2049
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		4.40%
Repayments of debt		$ (46)
Senior notes | 7.730% debentures due 2096
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		7.73%
Repayments of debt		$ (3)
Senior notes | 7.500% debentures due 2026
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		7.50%
Repayments of debt		$ (18)
Senior notes | 7.250% debentures due 2096
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage		7.25%
Repayments of debt		$ (44)
Debentures | 7.150% debentures due 2028
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	7.15%
Repayments of debt	$ (3)
Debentures | 7.730% debentures due 2096
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	7.73%	7.73%
Debentures | 7.500% debentures due 2026
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	7.50%	7.50%
Debentures | 7.250% debentures due 2096
Debt Instrument [Line Items]
Debt instrument interest rate stated percentage	7.25%	7.25%