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STOCK-BASED COMPENSATION PLANS - Narrative (Details) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) $ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2021 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Realized tax benefits | $ 6 | $ 8 | $ 10
Tax benefit associated with stock-based compensation expense | 6 | 8 | $ 5
Cash portion of RSU paid | $ 6 |  |
Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock-based compensation award vesting period | 1 year |  |
Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock-based compensation award vesting period | 4 years |  |
EDCP |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Net liability recognized | $ 175 | 193 |
DCPD |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Net liability recognized | $ 4 | $ 8 |
Restricted stock units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Unrecognized cost, period for recognition | 3 years | 3 years | 3 years
Granted (in dollars per share) | $ / shares | $ 38.36 | $ 41.49 | $ 35.50
Fair value of restricted stock units vested | $ 24 | $ 26 | $ 34
Unrecognized cost | $ 32 |  |
Performance-based Restricted Stock Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Weighted total shareholder return percentage | 0.35 |  |
Award performance period | 3 years |  |
Maximum payout of awards during negative performance period | 100.00% |  |
Liability recognized | $ 22 |  |
Award paid in stock (percent) | 66.67% |  |
Award paid in cash (percent) | 33.33% |  |
Restricted stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Unrecognized cost, period for recognition | 4 years |  |
Granted (in dollars per share) | $ / shares | $ 37.42 |  |
Fair value of restricted stock units vested | $ 11 |  |
Share-based payment arrangement, nonvested award, cost not yet recognized, weighted average vesting period | 2 years 4 months 24 days |  |
ICP 2015 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation arrangement by share-based payment award, number of shares authorized (in shares) | shares | 10,000,000 |  |
ICP 2020 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation arrangement by share-based payment award, number of shares authorized (in shares) | shares | 10,000,000 |  |
Share-based compensation arrangement by share-based payment, award, number of shares available for grant (in shares) | shares | 10,100,000 |  |
401(k) savings plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares authorized for issuance | shares | 1,000,000 | 1,000,000 |

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