Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 1,870	$ 2,179
Short-term investments	2,458	2,249
Receivables, less allowance for doubtful accounts (2017 - $11; 2016 - $10)	1,603	1,176
Aircraft fuel, spare parts and supplies, less obsolescence allowance (2017 - $342; 2016 - $295)	937	873
Prepaid expenses and other	1,009	832
Total current assets	7,877	7,309
Operating property and equipment: Owned-
Flight equipment	29,043	25,873
Other property and equipment	6,186	5,652
Total owned property and equipment	35,229	31,525
Less - Accumulated depreciation and amortization	(11,358)	(9,975)
Total owned property and equipment, net	23,871	21,550
Purchase deposits for flight equipment	1,044	1,059
Capital leases-
Flight equipment	1,136	1,319
Other property and equipment	488	331
Total capital leases	1,624	1,650
Less - Accumulated amortization	(910)	(941)
Total capital leases, net	714	709
Total operating property and equipment, net	25,629	23,318
Other assets:
Goodwill	4,523	4,523
Intangibles, less accumulated amortization (2017 - $1,294; 2016 - $1,234)	3,558	3,632
Deferred income taxes		655
Restricted cash	96	124
Investments in affiliates and other, net	882	579
Total other assets	9,059	9,513
Total assets	42,565	40,140
Current liabilities:
Advance ticket sales	4,537	3,730
Accounts payable	2,231	2,139
Frequent flyer deferred revenue	1,992	2,135
Accrued salaries and benefits	1,983	2,307
Current maturities of long-term debt	1,516	849
Current maturities of capital leases	125	116
Other	703	1,010
Total current liabilities	13,087	12,286
Long-term debt	11,334	9,918
Long-term obligations under capital leases	968	822
Other liabilities and deferred credits:
Frequent flyer deferred revenue	2,793	2,748
Postretirement benefit liability	1,588	1,581
Pension liability	1,631	1,892
Deferred income taxes	253
Advanced purchase of miles	106	430
Lease fair value adjustment, net	219	277
Other	1,616	1,527
Total other liabilities and deferred credits	8,206	8,455
Commitments and contingencies
Stockholder's equity:
Preferred stock
Common stock	3	3
Additional capital invested	6,591	6,569
Retained earnings	4,991	3,427
Stock held in treasury, at cost	(1,791)	(511)
Accumulated other comprehensive loss	(824)	(829)
Total stockholder's equity	8,970	8,659
Total liabilities and stockholder's equity	42,565	40,140
United Airlines, Inc.
Current assets:
Cash and cash equivalents	1,864	2,173
Short-term investments	2,458	2,249
Receivables, less allowance for doubtful accounts (2017 - $11; 2016 - $10)	1,603	1,176
Aircraft fuel, spare parts and supplies, less obsolescence allowance (2017 - $342; 2016 - $295)	937	873
Prepaid expenses and other	1,008	832
Total current assets	7,870	7,303
Operating property and equipment: Owned-
Flight equipment	29,043	25,873
Other property and equipment	6,186	5,652
Total owned property and equipment	35,229	31,525
Less - Accumulated depreciation and amortization	(11,358)	(9,975)
Total owned property and equipment, net	23,871	21,550
Purchase deposits for flight equipment	1,044	1,059
Capital leases-
Flight equipment	1,136	1,319
Other property and equipment	488	331
Total capital leases	1,624	1,650
Less - Accumulated amortization	(910)	(941)
Total capital leases, net	714	709
Total operating property and equipment, net	25,629	23,318
Other assets:
Goodwill	4,523	4,523
Intangibles, less accumulated amortization (2017 - $1,294; 2016 - $1,234)	3,558	3,632
Deferred income taxes		612
Restricted cash	96	124
Investments in affiliates and other, net	882	579
Total other assets	9,059	9,470
Total assets	42,558	40,091
Current liabilities:
Advance ticket sales	4,537	3,730
Accounts payable	2,231	2,144
Frequent flyer deferred revenue	1,992	2,135
Accrued salaries and benefits	1,983	2,307
Current maturities of long-term debt	1,516	849
Current maturities of capital leases	125	116
Other	707	1,009
Total current liabilities	13,091	12,290
Long-term debt	11,334	9,918
Long-term obligations under capital leases	968	822
Other liabilities and deferred credits:
Frequent flyer deferred revenue	2,793	2,748
Postretirement benefit liability	1,588	1,581
Pension liability	1,631	1,892
Deferred income taxes	297
Advanced purchase of miles	106	430
Lease fair value adjustment, net	219	277
Other	1,616	1,527
Total other liabilities and deferred credits	8,250	8,455
Commitments and contingencies
Stockholder's equity:
Additional capital invested	2,325	3,573
Retained earnings	7,504	5,937
Accumulated other comprehensive loss	(824)	(829)
Receivable from related parties	(90)	(75)
Total stockholder's equity	8,915	8,606
Total liabilities and stockholder's equity	$ 42,558	$ 40,091