SEGMENTS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information, Profit (Loss)
Operating revenue	$ 12,759	$ 9,348
Intersegment Sales/Other \| Exchanged products
Segment Reporting Information, Profit (Loss)
Operating revenue	$ (714)	$ (809)

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details