Recent Accounting Literature (Tables)

6 Months Ended

Jun. 30, 2018

Accounting Standards Update 2017-07 [Member]

Schedule Of Impact Of Adoption Of ASU 2017-07

	For the three months ended June 30, 2017
			Impact of Adoption
($ in millions)	As Reported		of ASU 2017-07		As Restated
Operating expenses:
Network related expenses	$	477	$	-	$	477
Selling, general and administrative expenses	$	531	$	-	$	531
Pension settlement costs	$	19	$	(19)	$	-
Non-operating income/expenses:
Investment and other income, net	$	-	$	-	$	-
Pension settlement costs	$	-	$	19	$	19
	For the six months ended June 30, 2017
			Impact of Adoption
($ in millions)	As Reported		of ASU 2017-07		As Restated
Operating expenses:
Network related expenses	$	971	$	(1)	$	970
Selling, general and administrative expenses	$	1,075	$	(2)	$	1,073
Pension settlement costs	$	62	$	(62)	$	-
Non-operating income/expenses:
Investment and other income, net	$	3	$	(3)	$	-
Pension settlement costs	$	-	$	62	$	62