FINANCING AND FINANCIAL INSTRUMENTS - Schedule of Assets and Liabilities at Fair Value (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Disclosure of fair value measurement of assets [line items]
Total assets	$ 90,512	$ 82,052
Total liabilities	39,168	41,815
Recurring fair value measurement
Disclosure of fair value measurement of assets [line items]
Total assets	5,071	4,030
Total liabilities	374	304
Recurring fair value measurement | Level 1
Disclosure of fair value measurement of assets [line items]
Total assets	1,069	2,934
Total liabilities	0	0
Recurring fair value measurement | Level 2
Disclosure of fair value measurement of assets [line items]
Total assets	3,288	618
Total liabilities	374	304
Recurring fair value measurement | Level 3
Disclosure of fair value measurement of assets [line items]
Total assets	714	478
Total liabilities	0	0
Recurring fair value measurement | Derivative financial current liabilities
Disclosure of fair value measurement of assets [line items]
Total liabilities	316	208
Recurring fair value measurement | Derivative financial current liabilities | Level 1
Disclosure of fair value measurement of assets [line items]
Total liabilities	0	0
Recurring fair value measurement | Derivative financial current liabilities | Level 2
Disclosure of fair value measurement of assets [line items]
Total liabilities	316	208
Recurring fair value measurement | Derivative financial current liabilities | Level 3
Disclosure of fair value measurement of assets [line items]
Total liabilities	0	0
Recurring fair value measurement | Derivative financial non-current liabilities
Disclosure of fair value measurement of assets [line items]
Total liabilities	58	96
Recurring fair value measurement | Derivative financial non-current liabilities | Level 1
Disclosure of fair value measurement of assets [line items]
Total liabilities	0	0
Recurring fair value measurement | Derivative financial non-current liabilities | Level 2
Disclosure of fair value measurement of assets [line items]
Total liabilities	58	96
Recurring fair value measurement | Derivative financial non-current liabilities | Level 3
Disclosure of fair value measurement of assets [line items]
Total liabilities	0	0
Recurring fair value measurement | Investments in equity instruments at FVOCI
Disclosure of fair value measurement of assets [line items]
Total assets	1,146	2,980
Recurring fair value measurement | Investments in equity instruments at FVOCI | Level 1
Disclosure of fair value measurement of assets [line items]
Total assets	1,069	2,934
Recurring fair value measurement | Investments in equity instruments at FVOCI | Level 2
Disclosure of fair value measurement of assets [line items]
Total assets	0	0
Recurring fair value measurement | Investments in equity instruments at FVOCI | Level 3
Disclosure of fair value measurement of assets [line items]
Total assets	77	46
Recurring fair value measurement | Trade accounts receivable and other subject to TSR programs
Disclosure of fair value measurement of assets [line items]
Total assets	622	373
Recurring fair value measurement | Trade accounts receivable and other subject to TSR programs | Level 1
Disclosure of fair value measurement of assets [line items]
Total assets	0	0
Recurring fair value measurement | Trade accounts receivable and other subject to TSR programs | Level 2
Disclosure of fair value measurement of assets [line items]
Total assets	0	0
Recurring fair value measurement | Trade accounts receivable and other subject to TSR programs | Level 3
Disclosure of fair value measurement of assets [line items]
Total assets	622	373
Recurring fair value measurement | Derivative financial current assets
Disclosure of fair value measurement of assets [line items]
Total assets	2,985	353
Recurring fair value measurement | Derivative financial current assets | Level 1
Disclosure of fair value measurement of assets [line items]
Total assets	0	0
Recurring fair value measurement | Derivative financial current assets | Level 2
Disclosure of fair value measurement of assets [line items]
Total assets	2,985	353
Recurring fair value measurement | Derivative financial current assets | Level 3
Disclosure of fair value measurement of assets [line items]
Total assets	0	0
Recurring fair value measurement | Derivative financial non-current assets
Disclosure of fair value measurement of assets [line items]
Total assets	318	324
Recurring fair value measurement | Derivative financial non-current assets | Level 1
Disclosure of fair value measurement of assets [line items]
Total assets	0	0
Recurring fair value measurement | Derivative financial non-current assets | Level 2
Disclosure of fair value measurement of assets [line items]
Total assets	303	265
Recurring fair value measurement | Derivative financial non-current assets | Level 3
Disclosure of fair value measurement of assets [line items]
Total assets	$ 15	$ 59