Intangibles (Schedule Of Intangible Assets) (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Intangible Assets [Line Items]
Gross Carrying Amount	$ 4,441	$ 4,441
Accumulated Amortization	(695)	(535)
Net Carrying Amount	3,746	3,906
Customer Relationships - Business [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	800	800
Accumulated Amortization	(158)	(121)
Net Carrying Amount	642	679
Customer Relationships - Wholesale [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	3,491	3,491
Accumulated Amortization	(472)	(364)
Net Carrying Amount	3,019	3,127
Trademarks and Tradenames [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	150	150
Accumulated Amortization	(65)	(50)
Net Carrying Amount	$ 85	$ 100