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CAPITAL STOCK - Narrative (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jan. 31, 2018 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Jan. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Authorized amount of stock available for repurchase (up to) |  |  |  |  |  |  |  | $ 1,500,000,000
Shares repurchased (in shares) |  | 0 | 0 | 0 | 0 |  |  |
Sale of stock, option to purchase additional shares, period (in years) |  |  |  | 30 days |  |  |  |
Preferred stock, par value (USD per share) |  | $ 0.01 |  | $ 0.01 |  |  | $ 0.01 |
Preferred stock, redemption price (in dollars per share) |  | $ 25.00 |  | $ 25.00 |  |  |  |
Current Share Repurchase Program |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Authorized amount of stock available for repurchase (up to) |  |  |  |  |  | $ 1,500,000,000 |  |
At-the-market Sale Program |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Sale of stock, shares issued (in shares) |  | 33,000,000 | 45,500,000 | 33,800,000 | 45,500,000 |  |  |
Proceeds from sale of stock |  | $ 214,900,000 | $ 420,400,000 | $ 221,100,000 | $ 420,400,000 |  |  |
Aggregate stock offering price (up to) | $ 1,500,000,000 |  |  |  |  |  |  |
Public Offering |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Sale of stock, shares issued (in shares) |  | 100,000,000 |  | 100,000,000 |  |  |  |
Proceeds from sale of stock |  | $ 645,000,000 |  | $ 645,000,000 |  |  |  |
Public Offering Additional Share Purchase Option |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Sale of stock, shares issued (in shares) |  |  |  | 15,000,000 |  |  |  |
Proceeds from sale of stock |  |  |  | $ 96,800,000 |  |  |  |

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