Quarterly Financial Data - Summarized Financial Data (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions |
3 Months Ended | 12 Months Ended | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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Selected Quarterly Financial Information [Line Items] | |||||||||||
Operating revenues | $ 10,600 | $ 10,878 | $ 11,105 | $ 9,624 | $ 9,789 | $ 10,594 | $ 10,363 | $ 9,435 | $ 42,207 | $ 40,180 | $ 40,990 |
Operating expenses | 9,910 | 9,646 | 9,570 | 9,023 | 9,022 | 9,163 | 8,612 | 8,100 | 38,149 | 34,896 | 34,786 |
Operating income | 690 | 1,232 | 1,535 | 601 | 767 | 1,431 | 1,751 | 1,335 | 4,058 | 5,284 | 6,204 |
Net income | $ 258 | $ 624 | $ 803 | $ 234 | $ 289 | $ 737 | $ 950 | $ 700 | $ 1,919 | $ 2,676 | $ 7,610 |
Earnings per share: | |||||||||||
Basic (in dollars per share) | $ 0.54 | $ 1.29 | $ 1.64 | $ 0.46 | $ 0.56 | $ 1.40 | $ 1.69 | $ 1.15 | $ 3.92 | $ 4.85 | $ 11.39 |
Diluted (in dollars per share) | $ 0.54 | $ 1.28 | $ 1.63 | $ 0.46 | $ 0.56 | $ 1.40 | $ 1.68 | $ 1.14 | $ 3.90 | $ 4.81 | $ 11.07 |
Shares used for computation (in thousands): | |||||||||||
Basic (in shares) | 477,165 | 484,772 | 490,818 | 503,902 | 514,571 | 525,415 | 563,000 | 606,245 | 489,164 | 552,308 | 668,393 |
Diluted (in shares) | 479,382 | 486,625 | 492,965 | 507,797 | 518,358 | 528,510 | 566,040 | 611,488 | 491,692 | 556,099 | 687,355 |
American Airlines, Inc. [Member] | |||||||||||
Selected Quarterly Financial Information [Line Items] | |||||||||||
Operating revenues | $ 10,597 | $ 10,875 | $ 11,102 | $ 9,621 | $ 9,786 | $ 10,591 | $ 10,360 | $ 9,427 | $ 42,195 | $ 40,163 | $ 40,938 |
Operating expenses | 9,921 | 9,650 | 9,575 | 9,017 | 8,995 | 9,159 | 8,603 | 8,104 | 38,163 | 34,859 | 34,749 |
Operating income | 676 | 1,225 | 1,527 | 604 | 791 | 1,432 | 1,757 | 1,323 | 4,032 | 5,304 | 6,189 |
Net income | $ 183 | $ 649 | $ 827 | $ 263 | $ 341 | $ 758 | $ 972 | $ 710 | $ 1,922 | $ 2,781 | $ 8,120 |