Long-term Debt - Trust Preferred Securities (Details) $ in Millions |
Dec. 31, 2019
USD ($)
|
|---|---|
| Debt Disclosure [Abstract] | |
| Trust securities redeemed, carrying value | $ 1 |
| X | ||||||||||
- Definition Assets Held-In-Trust, Carrying Value No definition available.
|
| X | ||||||||||
- References No definition available.
|