Goodwill And Other Intangibles (Tables)

9 Months Ended

Sep. 30, 2016

Goodwill And Other Intangibles [Abstract]

Goodwill Rollforward

($ in millions)		Goodwill
Balance at January 1, 2016	$	7,166
Verizon Acquisition (Note 3)		2,341
Balance at September 30, 2016	$	9,507

Components Of Other Intangibles

	September 30, 2016						December 31, 2015
	Gross Carrying		Accumulated		Net Carrying		Gross Carrying		Accumulated		Net Carrying
($ in millions)	Amount		Amortization		Amount		Amount		Amortization		Amount
Other Intangibles:
Customer base	$	5,068	$	(2,425)	$	2,643	$	2,998	$	(1,977)	$	1,021
Trade name		122		-		122		122		-		122
Royalty agreement		119		(12)		107		-		-		-
Total other intangibles	$	5,309	$	(2,437)	$	2,872	$	3,120	$	(1,977)	$	1,143

Amortization Expense

	For the three months ended September 30,				For the nine months ended September 30,
($ in millions)	2016		2015		2016		2015
Amortization expense	$	255	$	80	$	460	$	260