EQUITY (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |
3 Months Ended | 12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2020 |
Dec. 31, 2019 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Dividends declared per share of stock | $ 0.50 | $ 0.50 | $ 0.50 | $ 0.50 | $ 0.46 | $ 0.46 | $ 0.46 | $ 0.46 | $ 2.00 | $ 1.84 | $ 1.68 | |
| Preferred Stock, Shares Authorized | 50.0 | 50.0 | ||||||||||
| Preferred Stock, Par or Stated Value Per Share | $ 0.01 | $ 0.01 | ||||||||||
| Common stock authorized and available for issuance | 197.2 | 197.2 | ||||||||||
| Stock Repurchase Program, Authorized Amount | $ 20 | $ 20 | ||||||||||
| Common Stock, Dividends, Declared, Annualized Basis | $ 2.00 | $ 1.84 | $ 1.68 | |||||||||
| Dividend Declared [Member] | ||||||||||||
| Common Stock, Dividends, Per Share, Declared | $ 0.54 | |||||||||||
| Common Stock, Dividends, Declared, Annualized Basis | $ 2.16 | |||||||||||