Investments in finance leases.

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- Definition

Investments in foreign country.

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No definition available.

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- Definition

Leveraged Leases, Income Statement, Income Tax Expense (Benefit) on Leveraged Leases

+ References

No definition available.

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- Definition

Leveraged Leases, Income Statement, Net Revenue

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No definition available.

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- Definition

Leveraged Leases, Net Investment in Leveraged Leases Disclosure, Residual Value of Leased Assets Adjustment

+ References

No definition available.

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- Definition

Recovery From Sale of Bankruptcy Claims and Aircraft

+ References

No definition available.

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- Definition

For sales-type and direct financing leases, total contingent rentals received during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 4

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=25496975&loc=d3e45377-112738

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- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

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- Definition

The increase (decrease) in the allowance for credit losses related to financing receivables.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

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- Definition

Amount of direct write-downs of financing receivables charged against the allowance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

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- Definition

Pretax lease income allocated in proportionate amounts from unearned income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=7662751&loc=d3e45152-112736

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- Definition

The tax effect from the current year income from arrangements meeting the criteria for classification as a leveraged lease.

+ References

+ Details

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- Definition

The total recognized during the period for income on leases meeting the criteria for classification as leveraged leases.

+ References

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- Definition

The portion of rentals receivable applicable to principal and interest on the nonrecourse debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 30

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7662307&loc=d3e42840-112730

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- Definition

An amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date(s) more than one year from the balance sheet date. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.17)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 17

-Article 5

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An amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date more than one year from the balance sheet date, net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

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Finance Assets, net (Narrative) (Details) (USD $)	12 Months Ended			3 Months Ended
Finance Assets, net (Narrative) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Finance assets, net	$ 1,614,000,000	$ 1,997,000,000
Investment in finance leases	1,656,000,000	2,049,000,000
Earnings (benefit) charge recorded as a result of Closing Agreement			(68,000,000)
Permanent charge (credit) for interest on tax underpayment			(75,000,000)
Third-party nonrecourse debt	2,100,000,000	2,800,000,000
Leases with contingent rentals	0	0
Investment outside United States, percentage	0.00%mo_InvestmentsInForeignCountry	0.00%mo_InvestmentsInForeignCountry
PMCC leveraged lease revenues	80,000,000	209,000,000	149,000,000
Reduction in net revenues			7,000,000
Decrease to allowance	(10,000,000)	(47,000,000)	(10,000,000)
Write off of investments in finance lease balance	0	0	(118,000,000)
Allowance for credit losses	42,000,000	52,000,000	99,000,000		227,000,000
Decrease to estimated residual values	63,000,000	0	19,000,000
Income tax (benefit) expense on leveraged lease revenues	30,000,000	80,000,000	54,000,000
Recovery From Sale of Bankruptcy Claims and Aircraft			34,000,000
Decrease in Unguaranteed Residual Value Resulting in Reduction to Net Revenues [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Reduction in net revenues	26,000,000	0	8,000,000
Interest On Tax Underpayments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Earnings (benefit) charge recorded as a result of Closing Agreement			(73,000,000)	(68,000,000)
Permanent charge (credit) for interest on tax underpayment			(73,000,000)
Reduction in net revenues			0
Reduction To Cumulative Lease Earnings [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Earnings (benefit) charge recorded as a result of Closing Agreement			5,000,000
Permanent charge (credit) for interest on tax underpayment			(2,000,000)
Reduction in net revenues			7,000,000
Aircraft [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Investment in finance leases, percentage	39.00%
Rail And Surface Transport [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Investment in finance leases, percentage	25.00%
Electric Power [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Investment in finance leases, percentage	21.00%
Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Investment in finance leases, percentage	10.00%
Manufacturing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Investment in finance leases, percentage	5.00%
Finance Leases Financing Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Investment in finance leases	1,656,000,000	2,049,000,000
American Airlines [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Write off of investments in finance lease balance			$ (118,000,000)