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Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2015
Equity [Abstract] |
Components of Comprehensive Income | The differences between Net income and Comprehensive income for the three and nine months ended September 30, 2015 and 2014, were as follows:
| Three months ended September 30,
(in millions) | 2015 |  | 2014
NET INCOME | $ | 584 |  |  | $ | 329 |
Unrealized loss on fuel derivative instruments, net of deferred taxes of ($139) and ($124) | (236 | ) |  | (210 | )
Unrealized gain on interest rate derivative instruments, net of deferred taxes of $- and $3 | — |  |  | 6 |
Other, net of deferred taxes of ($2) and $1 | (3 | ) |  | 1 |
Total other comprehensive loss | $ | (239 | ) |  | $ | (203 | )
COMPREHENSIVE INCOME | $ | 345 |  |  | $ | 126 |
| Nine months ended September 30,
(in millions) | 2015 |  | 2014
NET INCOME | $ | 1,645 |  |  | $ | 946 |
Unrealized loss on fuel derivative instruments, net of deferred taxes of ($97) and ($60) | (164 | ) |  | (101 | )
Unrealized gain on interest rate derivative instruments, net of deferred taxes of $2 and $4 | 3 |  |  | 8 |
Other, net of deferred taxes of ($1) and $4 | (4 | ) |  | 4 |
Total other comprehensive loss | $ | (165 | ) |  | $ | (89 | )
COMPREHENSIVE INCOME | $ | 1,480 |  |  | $ | 857 |
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 nine months ended September 30, 2015:
(in millions) | Fuel derivatives |  | Interest rate derivatives |  | Defined benefit plan items |  | Other |  | Deferred tax |  | Accumulated other comprehensive income (loss)
Balance at June 30, 2015 | $ | (1,063 | ) |  | $ | (40 | ) |  | $ | 41 |  |  | $ | 8 |  |  | $ | 390 |  |  | $ | (664 | )
Changes in fair value | (501 | ) |  | (5 | ) |  | — |  |  | (5 | ) |  | 190 |  |  | (321 | )
Reclassification to earnings | 126 |  |  | 5 |  |  | — |  |  | — |  |  | (49 | ) |  | 82 |
Balance at September 30, 2015 | $ | (1,438 | ) |  | $ | (40 | ) |  | $ | 41 |  |  | $ | 3 |  |  | $ | 531 |  |  | $ | (903 | )
(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 | (525 | ) |  | (10 | ) |  | — |  |  | (5 | ) |  | 200 |  |  | (340 | )
Reclassification to earnings | 264 |  |  | 15 |  |  | — |  |  | — |  |  | (104 | ) |  | 175 |
Balance at September 30, 2015 | $ | (1,438 | ) |  | $ | (40 | ) |  | $ | 41 |  |  | $ | 3 |  |  | $ | 531 |  |  | $ | (903 | )
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 nine months ended September 30, 2015:
Three months ended September 30, 2015
(in millions) |  | Amounts reclassified from AOCI |  | Affected line item in the unaudited Condensed Consolidated Statement of Comprehensive Income
AOCI components |  |
Unrealized loss on fuel derivative instruments |  | $ | 126 |  |  | Fuel and oil expense
|  | 47 |  |  | Less: Tax Expense
|  | $ | 79 |  |  | Net of tax
Unrealized loss on interest rate derivative instruments |  | $ | 5 |  |  | Interest expense
|  | 2 |  |  | Less: Tax Expense
|  | $ | 3 |  |  | Net of tax
Total reclassifications for the period |  | $ | 82 |  |  | Net of tax
Nine months ended September 30, 2015
(in millions) |  | Amounts reclassified from AOCI |  | Affected line item in the unaudited Condensed Consolidated Statement of Comprehensive Income
AOCI components |  |
Unrealized loss on fuel derivative instruments |  | $ | 264 |  |  | Fuel and oil expense
|  | 98 |  |  | Less: Tax Expense
|  | $ | 166 |  |  | Net of tax
Unrealized loss on interest rate derivative instruments |  | $ | 15 |  |  | Interest expense
|  | 6 |  |  | Less: Tax Expense
|  | $ | 9 |  |  | Net of tax
Total reclassifications for the period |  | $ | 175 |  |  | Net of tax

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