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Consolidated Balance Sheets - USD ($) $ in Millions | Mar. 31, 2018 | Dec. 31, 2017 | [1]
--- | --- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 2,404 | $ 1,482
Short-term investments | 2,071 | 2,316
Receivables, less allowance for doubtful accounts (2018 - $7; 2017 - $7) | 1,760 | 1,340
Aircraft fuel, spare parts and supplies, less obsolescence allowance (2018 - $365; 2017 - $354) | 924 | 924
Prepaid expenses and other | 1,128 | 1,071
Total current assets | 8,287 | 7,133
Operating property and equipment: Owned- |  |
Flight equipment | 29,651 | 28,692
Other property and equipment | 7,193 | 6,946
Total owned property and equipment | 36,844 | 35,638
Less - Accumulated depreciation and amortization | (11,538) | (11,159)
Total owned property and equipment, net | 25,306 | 24,479
Purchase deposits for flight equipment | 1,025 | 1,344
Capital leases- |  |
Flight equipment | 1,205 | 1,151
Other property and equipment | 11 | 11
Total capital leases | 1,216 | 1,162
Less - Accumulated amortization | (808) | (777)
Total capital leases, net | 408 | 385
Total operating property and equipment, net | 26,739 | 26,208
Other assets: |  |
Goodwill | 4,523 | 4,523
Intangibles, less accumulated amortization (2018 - $1,329; 2017 - $1,313) | 3,521 | 3,539
Restricted cash | 95 | 91
Investments in affiliates and other, net | 853 | 852
Total other assets | 8,992 | 9,005
Total assets | 44,018 | 42,346
Current liabilities: |  |
Advance ticket sales | 5,501 | 3,940
Accounts payable | 2,399 | 2,196
Frequent flyer deferred revenue | 2,221 | 2,192
Accrued salaries and benefits | 1,637 | 2,166
Current maturities of long-term debt | 1,655 | 1,565
Current maturities of capital leases | 124 | 128
Other | 646 | 576
Total current liabilities | 14,183 | 12,763
Long-term debt | 12,166 | 11,703
Long-term obligations under capital leases | 1,019 | 996
Other liabilities and deferred credits: |  |
Frequent flyer deferred revenue | 2,716 | 2,591
Postretirement benefit liability | 1,593 | 1,602
Pension liability | 1,828 | 1,921
Deferred income taxes | 250 | 204
Lease fair value adjustment, net | 171 | 198
Other | 1,756 | 1,634
Total other liabilities and deferred credits | 8,314 | 8,150
Commitments and contingencies |  |
Stockholders' equity: |  |
Preferred stock |  |
Common stock | 3 | 3
Additional capital invested | 6,077 | 6,098
Retained earnings | 4,684 | 4,549
Stock held in treasury, at cost | (1,314) | (769)
Accumulated other comprehensive loss | (1,114) | (1,147)
Total stockholders' equity | 8,336 | 8,734
Total liabilities and stockholders' equity | 44,018 | 42,346
United Airlines, Inc. |  |
Current assets: |  |
Cash and cash equivalents | 2,398 | 1,476
Short-term investments | 2,071 | 2,316
Receivables, less allowance for doubtful accounts (2018 - $7; 2017 - $7) | 1,760 | 1,340
Aircraft fuel, spare parts and supplies, less obsolescence allowance (2018 - $365; 2017 - $354) | 924 | 924
Prepaid expenses and other | 1,129 | 1,071
Total current assets | 8,282 | 7,127
Operating property and equipment: Owned- |  |
Flight equipment | 29,651 | 28,692
Other property and equipment | 7,193 | 6,946
Total owned property and equipment | 36,844 | 35,638
Less - Accumulated depreciation and amortization | (11,538) | (11,159)
Total owned property and equipment, net | 25,306 | 24,479
Purchase deposits for flight equipment | 1,025 | 1,344
Capital leases- |  |
Flight equipment | 1,205 | 1,151
Other property and equipment | 11 | 11
Total capital leases | 1,216 | 1,162
Less - Accumulated amortization | (808) | (777)
Total capital leases, net | 408 | 385
Total operating property and equipment, net | 26,739 | 26,208
Other assets: |  |
Goodwill | 4,523 | 4,523
Intangibles, less accumulated amortization (2018 - $1,329; 2017 - $1,313) | 3,521 | 3,539
Restricted cash | 95 | 91
Investments in affiliates and other, net | 853 | 852
Total other assets | 8,992 | 9,005
Total assets | 44,013 | 42,340
Current liabilities: |  |
Advance ticket sales | 5,501 | 3,940
Accounts payable | 2,399 | 2,196
Frequent flyer deferred revenue | 2,221 | 2,192
Accrued salaries and benefits | 1,637 | 2,166
Current maturities of long-term debt | 1,655 | 1,565
Current maturities of capital leases | 124 | 128
Other | 652 | 581
Total current liabilities | 14,189 | 12,768
Long-term debt | 12,166 | 11,703
Long-term obligations under capital leases | 1,019 | 996
Other liabilities and deferred credits: |  |
Frequent flyer deferred revenue | 2,716 | 2,591
Postretirement benefit liability | 1,593 | 1,602
Pension liability | 1,828 | 1,921
Deferred income taxes | 277 | 231
Lease fair value adjustment, net | 171 | 198
Other | 1,756 | 1,634
Total other liabilities and deferred credits | 8,341 | 8,177
Commitments and contingencies |  |
Stockholders' equity: |  |
Additional capital invested | 1,233 | 1,787
Retained earnings | 8,287 | 8,146
Accumulated other comprehensive loss | (1,114) | (1,147)
Receivable from related parties | (108) | (90)
Total stockholders' equity | 8,298 | 8,696
Total liabilities and stockholders' equity | $ 44,013 | $ 42,340
[1] | Amounts adjusted due to the adoption of Accounting Standards Update No. 2014-09, Revenue from Contracts with Customers (Topic 606). See Note 1 to the financial statements contained in Part I, Item 1 of this report for additional information.

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- Definition The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29,30) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 + Details
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