XML 141 R101.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
RETIREMENT AND DEFERRED COMPENSATION PLANS - Expected Future Benefit Payment (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Pension Benefits  
Defined Benefit Plan Disclosure [Line Items]  
2020 $ 5
2021 4
2022 5
2023 6
2024 6
Years 2025-2029 32
Postretirement Benefits  
Defined Benefit Plan Disclosure [Line Items]  
2020 2
2021 2
2022 2
2023 2
2024 2
Years 2025-2029 $ 8