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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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DEBT - Notes (Details)	1 Months Ended						3 Months Ended
DEBT - Notes (Details)	Mar. 31, 2025 USD ($)	May 31, 2024 USD ($)	Jun. 30, 2023 JPY (¥)	May 31, 2022 USD ($)	May 31, 2020 USD ($)	Sep. 30, 2019 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
Outstanding aggregate principal amount	$ 12,101,000,000						$ 12,101,000,000
Senior Notes
Debt Instrument [Line Items]
Outstanding aggregate principal amount	12,101,000,000						12,101,000,000		$ 10,574,000,000
Interest expense and fees							98,000,000	$ 84,000,000
Fixed And Floating Rate Notes \| Senior Notes
Debt Instrument [Line Items]
Face amount	1,500,000,000						1,500,000,000
Floating-Rate Notes Issued March 2025 \| Senior Notes
Debt Instrument [Line Items]
Face amount	$ 450,000,000						450,000,000
Basis spread on variable rate (in percent)	0.67%
Outstanding aggregate principal amount	$ 450,000,000						450,000,000		0
Fixed-Rate 4.450% Notes, Issued March 2025 \| Senior Notes
Debt Instrument [Line Items]
Face amount	$ 450,000,000						$ 450,000,000
Interest rate	4.45%						4.45%
Outstanding aggregate principal amount	$ 450,000,000						$ 450,000,000		0
Fixed-Rate 5.100% Notes, Issued March 2025 \| Senior Notes
Debt Instrument [Line Items]
Face amount	$ 600,000,000						$ 600,000,000
Interest rate	5.10%						5.10%
Outstanding aggregate principal amount	$ 600,000,000						$ 600,000,000		$ 0
Fixed-Rate Notes Issued May 2024 \| Senior Notes
Debt Instrument [Line Items]
Face amount		$ 1,300,000,000
Redemption price (in percent)		101.00%
Fixed-Rate Notes Issued June 2023 \| Senior Notes
Debt Instrument [Line Items]
Face amount	$ 601,000,000		¥ 90,000,000,000				$ 601,000,000
Redemption price (in percent)			101.00%
Fixed-Rate Notes Issued May 2022 \| Senior Notes
Debt Instrument [Line Items]
Face amount				$ 3,000,000,000
Redemption price (in percent)				101.00%
Fixed-rate Notes Issued May 2020 \| Senior Notes
Debt Instrument [Line Items]
Face amount					$ 4,000,000,000
Redemption price (in percent)					101.00%
Fixed-rate Notes Issued September 2019 \| Senior Notes
Debt Instrument [Line Items]
Face amount						$ 5,000,000,000
Redemption price (in percent)						101.00%
Fixed-Rate Notes Issued March 2025 \| Senior Notes
Debt Instrument [Line Items]
Redemption price (in percent)	101.00%