Recent Accounting Literature (Tables)

9 Months Ended

Sep. 30, 2018

Accounting Standards Update 2017-07 [Member]

Schedule Of Impact Of Adoption

	For the three months ended September 30, 2017
			Impact of Adoption
($ in millions)	As Reported		of ASU 2017-07		As Restated
Operating expenses:
Network related expenses	$	497	$	1	$	498
Selling, general and administrative expenses	$	486	$	1	$	487
Pension settlement costs	$	15	$	(15)	$	-
Non-operating income/expenses:
Investment and other income, net	$	2	$	2	$	4
Pension settlement costs	$	-	$	15	$	15
	For the nine months ended September 30, 2017
			Impact of Adoption
($ in millions)	As Reported		of ASU 2017-07		As Restated
Operating expenses:
Network related expenses	$	1,468	$	-	$	1,468
Selling, general and administrative expenses	$	1,561	$	(1)	$	1,560
Pension settlement costs	$	77	$	(77)	$	-
Non-operating income/expenses:
Investment and other income, net	$	5	$	(1)	$	4
Pension settlement costs	$	-	$	77	$	77