REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS - Contract Balances (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Change in Contract Balances [Roll Forward]
Contract assets	$ 2,207	$ 2,013	$ 2,294
Change in contract assets—increase (decrease)	194	(281)
Contract liability	(4,220)	(4,326)	$ (4,583)
Change in contract liabilities—decrease (increase)	106	257
Net change	300	(24)
Contract with customer liability revenue recognized	2,140	2,070
Unbilled contracts receivable	2,139	$ 1,949
Discontinued Operations, Held-for-Sale \| Personal Protective Equipment Business
Change in Contract Balances [Roll Forward]
Disposal group, including discontinued operation, contract assets	3
Disposal group, including discontinued operation, contract liabilities	$ (21)

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Amount of increase (decrease) in net contract assets and liabilities

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet.

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