Other Intangibles (Schedule Of Intangible Assets) (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Intangible Assets [Line Items]
Gross Carrying Amount	$ 4,441	$ 4,441
Accumulated Amortization	(374)	(214)
Net Carrying Amount	4,067	4,227
Customer Relationships - Business [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	800	800
Accumulated Amortization	(85)	(48)
Net Carrying Amount	715	752
Customer Relationships - Wholesale [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	3,491	3,491
Accumulated Amortization	(254)	(146)
Net Carrying Amount	3,237	3,345
Trademarks and Tradenames [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	150	150
Accumulated Amortization	(35)	(20)
Net Carrying Amount	$ 115	$ 130