Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2015

Equity [Abstract]

Summary of Changes in Accumulated Other Comprehensive Loss

The following table presents changes in accumulated other comprehensive loss balances.

Three Months Ended March 31,	2015			2014
	(in millions)
Unrealized gains (losses) on cash flow hedging instruments:
Balance at beginning of period	$	(52	)	$	(97	)
Other comprehensive income for period:
Net gains arising during period, net of tax of $5 million and $5 million, respectively	9			12
Reclassification adjustment for losses realized in net income, net of tax of $1 million and $1 million, respectively(1)	2			2
Total other comprehensive income for period	11			14
Balance at end of period	(41		)	(83		)
Pension and postretirement benefit plan liability:
Balance beginning and end of period	(13		)	(11		)
Total accumulated other comprehensive loss at end of period	$	(54	)	$	(94	)

⁽¹⁾  The amounts reclassified during the three months ended March 31, 2015 and 2014 relate to interest rate and currency swaps and are included as a component of interest expense in our consolidated statement of income.