Chapter 11 Reorganization (Schedule Of Liabilities Subject To Compromise) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012
Chapter 11 Reorganization [Abstract]
Long-term debt	$ 2,238
Aircraft lease and facility bond related obligations	2,830
Pension and postretirement benefits	9,430
Accounts payable and other accrued liabilities	511
Other	(8)
Total liabilities subject to compromise	$ 15,001

The amount of trade accounts payable included in liabilities subject to compromise.

The amount of other obligations included in liabilities subject to compromise.

The amount of pension and other postretirement obligations included in liabilities subject to compromise.

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

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