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Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2015
Equity [Abstract] |
Components of Comprehensive Income | The differences between Net income and Comprehensive income for the three and six months ended June 30, 2015 and 2014, were as follows:
| Three months ended June 30,
(in millions) | 2015 |  | 2014
NET INCOME | $ | 608 |  |  | $ | 465 |
Unrealized gain on fuel derivative instruments, net of deferred taxes of $44 and $72 | 74 |  |  | 121 |
Unrealized gain on interest rate derivative instruments, net of deferred taxes of $2 and $- | 4 |  |  | — |
Other, net of deferred taxes of $- and $1 | — |  |  | 2 |
Total other comprehensive income | $ | 78 |  |  | $ | 123 |
COMPREHENSIVE INCOME | $ | 686 |  |  | $ | 588 |
| Six months ended June 30,
(in millions) | 2015 |  | 2014
NET INCOME | $ | 1,061 |  |  | $ | 617 |
Unrealized gain on fuel derivative instruments, net of deferred taxes of $43 and $64 | 71 |  |  | 109 |
Unrealized gain on interest rate derivative instruments, net of deferred taxes of $2 and $1 | 3 |  |  | 2 |
Other, net of deferred taxes of $- and $3 | — |  |  | 3 |
Total other comprehensive income | $ | 74 |  |  | $ | 114 |
COMPREHENSIVE INCOME | $ | 1,135 |  |  | $ | 731 |
Rollforward of the Amounts Included in AOCI, Net of Taxes | A rollforward of the amounts included in AOCI, net of taxes, is shown below for the three and six months ended June 30, 2015:
(in millions) | Fuel derivatives |  | Interest rate derivatives |  | Defined benefit plan items |  | Other |  | Deferred tax |  | Accumulated other comprehensive income (loss)
Balance at March 31, 2015 | $ | (1,181 | ) |  | $ | (46 | ) |  | $ | 41 |  |  | $ | 8 |  |  | $ | 436 |  |  | $ | (742 | )
Changes in fair value | 53 |  |  | 1 |  |  | — |  |  | — |  |  | (20 | ) |  | 34 |
Reclassification to earnings | 65 |  |  | 5 |  |  | — |  |  | — |  |  | (26 | ) |  | 44 |
Balance at June 30, 2015 | $ | (1,063 | ) |  | $ | (40 | ) |  | $ | 41 |  |  | $ | 8 |  |  | $ | 390 |  |  | $ | (664 | )
(in millions) | Fuel derivatives |  | Interest rate derivatives |  | Defined benefit plan items |  | Other |  | Deferred tax |  | Accumulated other comprehensive income (loss)
Balance at December 31, 2014 | $ | (1,177 | ) |  | $ | (45 | ) |  | $ | 41 |  |  | $ | 8 |  |  | $ | 435 |  |  | $ | (738 | )
Changes in fair value | (24 | ) |  | (5 | ) |  | — |  |  | — |  |  | 10 |  |  | (19 | )
Reclassification to earnings | 138 |  |  | 10 |  |  | — |  |  | — |  |  | (55 | ) |  | 93 |
Balance at June 30, 2015 | $ | (1,063 | ) |  | $ | (40 | ) |  | $ | 41 |  |  | $ | 8 |  |  | $ | 390 |  |  | $ | (664 | )
Reclassification out of Accumulated Other Comprehensive Income | The following tables illustrate the significant amounts reclassified out of each component of AOCI for the three and six months ended June 30, 2015:
Three months ended June 30, 2015
(in millions) |  | Amounts reclassified from AOCI |  | Affected line item in the unaudited Condensed Consolidated Statement of Comprehensive Income
AOCI components |  |
Unrealized gain on fuel derivative instruments |  | $ | 65 |  |  | Fuel and oil expense
|  | 24 |  |  | Less: Tax Expense
|  | $ | 41 |  |  | Net of tax
Unrealized gain on interest rate derivative instruments |  | $ | 5 |  |  | Interest expense
|  | 2 |  |  | Less: Tax Expense
|  | $ | 3 |  |  | Net of tax
Total reclassifications for the period |  | $ | 44 |  |  | Net of tax
Six months ended June 30, 2015
(in millions) |  | Amounts reclassified from AOCI |  | Affected line item in the unaudited Condensed Consolidated Statement of Comprehensive Income
AOCI components |  |
Unrealized gain on fuel derivative instruments |  | $ | 138 |  |  | Fuel and oil expense
|  | 51 |  |  | Less: Tax Expense
|  | $ | 87 |  |  | Net of tax
Unrealized gain on interest rate derivative instruments |  | $ | 10 |  |  | Interest expense
|  | 4 |  |  | Less: Tax Expense
|  | $ | 6 |  |  | Net of tax
Total reclassifications for the period |  | $ | 93 |  |  | Net of tax

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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e526-108580 + Details
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