Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 2,198	$ 1,859
Investments in marketable securities	49	0
Accounts receivable, net	427	311
Materials and supplies, net	248	231
Prepaid expenses and other	580	508
Total current assets	3,502	2,909
Property and equipment
Flight equipment	4,160	4,134
Ground property and equipment	875	843
Less accumulated depreciation and amortization	(1,409)	(1,304)
Property and equipment net, excluding equipment purchase deposits	3,626	3,673
Equipment purchase deposits	161	123
Total property and equipment	3,787	3,796
Other assets
Other intangibles, net of accumulated amortization	464	477
Restricted cash	388	364
Investments in marketable securities	0	57
Other assets	230	216
Total other assets	1,082	1,114
Total assets	8,371	7,819
Current liabilities
Current maturities of debt and capital leases	450	397
Accounts payable	425	386
Air traffic liability	1,340	861
Accrued compensation and vacation	150	245
Accrued taxes	225	149
Other accrued expenses	933	802
Total current liabilities	3,523	2,840
Noncurrent liabilities and deferred credits
Long-term debt and capital leases, net of current maturities	3,892	4,003
Deferred gains and credits, net	325	336
Postretirement benefits other than pensions	143	141
Employee benefit liabilities and other	427	415
Total noncurrent liabilities and deferred credits	4,787	4,895
Commitments and contingencies
Stockholders' equity (deficit)
Common stock	2	2
Additional paid-in capital	2,119	2,115
Accumulated other comprehensive income	10	14
Accumulated deficit	(2,070)	(2,047)
Total stockholders' equity	61	84
Total liabilities and stockholders' equity	8,371	7,819
US Airways, Inc. [Member]
Current assets
Cash and cash equivalents	2,189	1,856
Investments in marketable securities	49	0
Accounts receivable, net	423	309
Materials and supplies, net	208	184
Prepaid expenses and other	561	480
Total current assets	3,430	2,829
Property and equipment
Flight equipment	4,011	3,985
Ground property and equipment	841	812
Less accumulated depreciation and amortization	(1,342)	(1,238)
Property and equipment net, excluding equipment purchase deposits	3,510	3,559
Equipment purchase deposits	161	123
Total property and equipment	3,671	3,682
Other assets
Other intangibles, net of accumulated amortization	431	443
Restricted cash	388	364
Investments in marketable securities	0	57
Other assets	208	190
Total other assets	1,027	1,054
Total assets	8,128	7,565
Current liabilities
Current maturities of debt and capital leases	384	381
Accounts payable	347	343
Payables to related parties, net	614	626
Air traffic liability	1,340	861
Accrued compensation and vacation	138	236
Accrued taxes	225	149
Other accrued expenses	899	766
Total current liabilities	3,947	3,362
Noncurrent liabilities and deferred credits
Long-term debt and capital leases, net of current maturities	2,532	2,596
Deferred gains and credits, net	291	293
Postretirement benefits other than pensions	141	140
Employee benefit liabilities and other	405	394
Total noncurrent liabilities and deferred credits	3,369	3,423
Commitments and contingencies
Stockholders' equity (deficit)
Common stock	0	0
Additional paid-in capital	2,445	2,445
Accumulated other comprehensive income	16	20
Accumulated deficit	(1,649)	(1,685)
Total stockholders' equity	812	780
Total liabilities and stockholders' equity	$ 8,128	$ 7,565