Goodwill and Intangible Assets Amortization of Intangible Assets (Details) - USD ($) $ in Millions	1 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 13, 2019	Dec. 31, 2021	Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months			$ 157
Finite-Lived Intangible Assets, Amortization Expense, Year Two			157
Finite-Lived Intangible Assets, Amortization Expense, Year Three			145
Finite-Lived Intangible Assets, Amortization Expense, Year Four			41
Finite-Lived Intangible Assets, Amortization Expense, Year Five			41
Amortization of Intangible Assets	$ 9	$ 61	$ 156	$ 163