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FAIR VALUE - Schedule of Notional Amounts of Senior Notes Under Swap Agreements (Details) - USD ($) | Sep. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | --- | ---
Interest Rate Swap |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative, notional amount | $ 6,150,000,000 |  | $ 5,000,000,000
Interest Rate Swap Maturing 2031 | Interest Rate Swap |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative, notional amount | 700,000,000 |  | 700,000,000
Interest Rate Swap Maturing 2033 | Interest Rate Swap |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative, notional amount | 650,000,000 |  | 650,000,000
Interest Rate Swap Maturing 2034 | Interest Rate Swap |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative, notional amount | 800,000,000 |  | 800,000,000
Interest Rate Swap Maturing 2035 | Interest Rate Swap |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative, notional amount | 600,000,000 |  | 0
Interest Rate Swap Maturing 2042 | Interest Rate Swap |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative, notional amount | 400,000,000 |  | 400,000,000
Interest Rate Swap Maturing 2044 | Interest Rate Swap |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative, notional amount | 400,000,000 |  | 400,000,000
Interest Rate Swap Maturing 2047 | Interest Rate Swap |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative, notional amount | 350,000,000 |  | 200,000,000
Interest Rate Swap Maturing 2049 | Interest Rate Swap |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative, notional amount | 450,000,000 |  | 450,000,000
Interest Rate Swap Maturing 2053 | Interest Rate Swap |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative, notional amount | 700,000,000 |  | 700,000,000
Interest Rate Swap Maturing 2054 | Interest Rate Swap |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative, notional amount | 800,000,000 |  | 700,000,000
Interest Rate Swap Maturing 2055 | Interest Rate Swap |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative, notional amount | 300,000,000 |  | $ 0
$1,500 million, 5.375% due April 15, 2031 | Senior Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Aggregate principal | $ 1,500,000,000 |  |
Stated interest rate (as percent) | 5.375% |  |
$750 million, 5.875% due March 1, 2033 | Senior Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Aggregate principal | $ 750,000,000 |  |
Stated interest rate (as percent) | 5.875% |  |
$850 million, 5.950% due March 15, 2034 | Senior Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Aggregate principal | $ 850,000,000 |  |
Stated interest rate (as percent) | 5.95% |  |
$750 million, 5.550% due May 1, 2035 | Senior Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Aggregate principal | $ 750,000,000 | $ 750,000,000 |
Stated interest rate (as percent) | 5.55% | 5.55% |
$400 million, 4.625% due December 1, 2042 | Senior Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Aggregate principal | $ 400,000,000 |  |
Stated interest rate (as percent) | 4.625% |  |
$750 million, 4.950% due October 1, 2044 | Senior Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Aggregate principal | $ 750,000,000 |  |
Stated interest rate (as percent) | 4.95% |  |
$400 million, 4.800% due March 15, 2047 | Senior Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Aggregate principal | $ 400,000,000 |  |
Stated interest rate (as percent) | 4.80% |  |
$500 million, 3.950% due August 15, 2049 | Senior Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Aggregate principal | $ 500,000,000 |  |
Stated interest rate (as percent) | 3.95% |  |
$750 million, 5.500% due March 15, 2053 | Senior Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Aggregate principal | $ 750,000,000 |  |
Stated interest rate (as percent) | 5.50% |  |
$1,000 million, 5.750% due April 15, 2054 | Senior Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Aggregate principal | $ 1,000,000,000 |  |
Stated interest rate (as percent) | 5.75% |  |
$500 million, 6.000% due May 1, 2055 | Senior Notes |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Aggregate principal | $ 500,000,000 | $ 500,000,000 |
Stated interest rate (as percent) | 6.00% | 6.00% |

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