This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets) in cost of sales; the fair value of which assets and liabilities, net, were or are measured on a recurring basis using significant unobservable inputs (Level 3).

Name:	f_FairValueAssetsAndLiabilitiesNetMeasuredOnRecurringBasisGainLossIncludedInCostOfSales
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets) in interest income and other non-operating income (loss), net; the fair value of which assets and liabilities, net, were or are measured on a recurring basis using significant unobservable inputs (Level 3).

+ Details

Name:	f_FairValueAssetsAndLiabilitiesNetMeasuredOnRecurringBasisGainLossIncludedInInterestIncomeAndOtherNonOperatingIncomeLossNet
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets) in interest income and expense, net; the fair value of which assets and liabilities, net, were or are measured on a recurring basis using significant unobservable inputs (Level 3).

+ Details

Name:	f_FairValueAssetsAndLiabilitiesNetMeasuredOnRecurringBasisGainLossIncludedInInterestIncomeExpenseNet
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets) in other income (loss), net; the fair value of which assets and liabilities, net, were or are measured on a recurring basis using significant unobservable inputs (Level 3).

+ Details

Name:	f_FairValueAssetsAndLiabilitiesNetMeasuredOnRecurringBasisGainLossIncludedInOtherIncomeLossNet
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets) in cost of sales; the fair value of which assets was or is measured on a recurring basis using significant unobservable inputs (Level 3).

+ Details

Name:	f_FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInCostOfSales
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets) in interest income and other non-operating income (loss), net; the fair value of which assets was or is measured on a recurring basis using significant unobservable inputs (Level 3).

+ Details

Name:	f_FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInInterestIncomeAndOtherNonOperatingIncomeLossNet
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets) in interest income and expense, net; the fair value of which assets was or is measured on a recurring basis using significant unobservable inputs (Level 3).

+ Details

Name:	f_FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInInterestIncomeExpenseNet
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets) in other income (loss), net; the fair value of which assets was or is measured on a recurring basis using significant unobservable inputs (Level 3).

+ Details

Name:	f_FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInOtherIncomeLossNet
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

This element represents the net unrealized gains/losses on assets and liabilities measured at fair value on a recurring basis using unobservable inputs that are still held at the reporting date.

+ Details

Name:	f_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitiesNetUnrealizedGainLossHeld
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

Issues that have taken place during the period in relation to assets and liabilities, net, measured at fair value and categorized within Level 3 of the fair value hierarchy.

+ Details

Name:	f_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesNetIssues
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

Purchases that have taken place during the period in relation to assets and liabilities, net, measured at fair value and categorized within Level 3 of the fair value hierarchy.

+ Details

Name:	f_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesNetPurchases
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

Sales that have taken place during the period in relation to assets and liabilities, net, measured at fair value and categorized within Level 3 of the fair value hierarchy.

+ Details

Name:	f_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesNetSales
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

Settlements that have taken place during the period in relation to assets and liabilities, net, measured at fair value and categorized within Level 3 of the fair value hierarchy.

+ Details

Name:	f_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesNetSettlements
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

Transfers into assets and liabilities, net, measured at fair value and categorized within Level 3 of the fair value hierarchy that have taken place during the period.

+ Details

Name:	f_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesNetTransfersIntoLevel3
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

Transfers out of assets and liabilities, net, measured at fair value and categorized within Level 3 of the fair value hierarchy that have taken place during the period.

+ Details

Name:	f_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAndLiabilitiesNetTransfersOutOfLevel3
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents purchases, sales, issuances, and settlements (net) which have taken place during the period in relation to net assets and liabilities measured at fair value on a recurring basis using unobservable inputs (Level 3).

+ Details

Name:	f_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetLiabilityPurchasesSalesIssuancesSettlements
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

-- None. No documentation exists for this element. --

+ Details

Name:	f_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetLiabilityPurchasesSalesIssuancesSettlementsAbstract
Namespace Prefix:	f
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents a net asset or liability measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.

+ Details

Name:	f_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetLiabilityValue
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

This element represents [net] transfers in to and out of net assets and liabilities measured at fair value on a recurring basis using unobservable inputs (Level 3) which have taken place during the period.

+ Details

Name:	f_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetsLiabilityTransfersNet
Namespace Prefix:	f
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

-- None. No documentation exists for this element. --

+ Details

Name:	f_ReconciliationOfChangesInLevel3BalancesAbstract
Namespace Prefix:	f
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets); the fair value of which assets and liabilities was or is measured on a recurring basis using significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsAbstract
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents total gains (losses) for the period (realized and unrealized), arising from assets and liabilities measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in other comprehensive income (a separate component of shareholders' equity).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-SubTopic 10
-Topic 820
-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilityGainLossIncludedInOtherComprehensiveIncomeLoss
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
-Subparagraph c(1)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in other comprehensive income (a separate component of shareholders' equity).

+ References

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Issues that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Purchases that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This element represents purchases, sales, issuances, and settlements (net) which have taken place during the period in relation to assets measured at fair value on a recurring basis using unobservable inputs (Level 3).

+ References

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Sales that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Settlements that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
-Subparagraph c
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Fair Value Measurements - Reconciliation of Changes in Level 3 Balances (Details) (Fair Value, Measurements, Recurring [Member], Level 3, USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Automotive [Member]
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1	$ 40	$ 34
Realized/unrealized gains/(losses) [Abstract]
Cost of sales (assets and liabilities, net)	(23)
Interest income and other non-operating income (loss), net (assets and liabilities, net)
Other comprehensive income/(loss) (assets and liabilities, net)
Total realized/unrealized gains/(losses) (assets and liabilities, net)	(23)
Purchases, issues, sales, settlements
Purchases (assets and liabilities, net)	7
Issues (assets and liabilities, net)
Sales (assets and liabilities, net)	(1)	(23)
Settlements (assets and liabilities, net)	(32)	(5)
Total purchases, issues, sales, settlements (assets and liabilities, net)	(26)	(28)
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)	(1)
Fair Value at June 30	(10)	6
Change in unrealized gains/ (losses) on instruments still held	(20)	(1)
Automotive [Member] \| Marketable securities
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1	2	25
Realized/unrealized gains/(losses) [Abstract]
Cost of sales (assets)
Interest income and other non-operating income (loss), net (assets)	(1)	(1)
Other comprehensive income/(loss) (assets)
Total realized/unrealized gains/(losses) (assets)	(1)	(1)
Purchases, issues, sales, settlements
Purchases (assets)	7
Issues (assets)
Sales (assets)	(1)	(23)
Settlements (assets)
Total purchases, issues, sales, settlements (assets)	6	(23)
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)	(1)
Fair Value at June 30	6	1
Change in unrealized gains/ (losses) on instruments still held
Automotive [Member] \| Derivative financial instruments
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1	38	9
Realized/unrealized gains/(losses) [Abstract]
Cost of sales (assets and liabilities, net)	(23)
Interest income and other non-operating income (loss), net (assets and liabilities, net)	1	1
Other comprehensive income/(loss) (assets and liabilities, net)
Total realized/unrealized gains/(losses) (assets and liabilities, net)	(22)	1
Purchases, issues, sales, settlements
Purchases (assets and liabilities, net)
Issues (assets and liabilities, net)
Sales (assets and liabilities, net)
Settlements (assets and liabilities, net)	(32)	(5)
Total purchases, issues, sales, settlements (assets and liabilities, net)	(32)	(5)
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)
Fair Value at June 30	(16)	5
Change in unrealized gains/ (losses) on instruments still held	(20)	(1)
Automotive [Member] \| Foreign government agencies
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1	1
Realized/unrealized gains/(losses) [Abstract]
Cost of sales (assets)
Interest income and other non-operating income (loss), net (assets)
Other comprehensive income/(loss) (assets)
Total realized/unrealized gains/(losses) (assets)
Purchases, issues, sales, settlements
Purchases (assets)
Issues (assets)
Sales (assets)
Settlements (assets)
Total purchases, issues, sales, settlements (assets)
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)	(1)
Fair Value at June 30
Change in unrealized gains/ (losses) on instruments still held
Automotive [Member] \| Corporate Debt [Member]
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1		8
Realized/unrealized gains/(losses) [Abstract]
Cost of sales (assets)
Interest income and other non-operating income (loss), net (assets)
Other comprehensive income/(loss) (assets)
Total realized/unrealized gains/(losses) (assets)
Purchases, issues, sales, settlements
Purchases (assets)	5
Issues (assets)
Sales (assets)		(8)
Settlements (assets)
Total purchases, issues, sales, settlements (assets)	5	(8)
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)
Fair Value at June 30	5
Change in unrealized gains/ (losses) on instruments still held
Automotive [Member] \| Mortgage-backed and other asset-backed
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1		17
Realized/unrealized gains/(losses) [Abstract]
Cost of sales (assets)
Interest income and other non-operating income (loss), net (assets)		(1)
Other comprehensive income/(loss) (assets)
Total realized/unrealized gains/(losses) (assets)		(1)
Purchases, issues, sales, settlements
Purchases (assets)	1
Issues (assets)
Sales (assets)		(15)
Settlements (assets)
Total purchases, issues, sales, settlements (assets)	1	(15)
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)
Fair Value at June 30	1	1
Change in unrealized gains/ (losses) on instruments still held
Automotive [Member] \| Government - non-U.S.
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1	1
Realized/unrealized gains/(losses) [Abstract]
Cost of sales (assets)
Interest income and other non-operating income (loss), net (assets)	(1)
Other comprehensive income/(loss) (assets)
Total realized/unrealized gains/(losses) (assets)	(1)
Purchases, issues, sales, settlements
Purchases (assets)	1
Issues (assets)
Sales (assets)	(1)
Settlements (assets)
Total purchases, issues, sales, settlements (assets)
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)
Fair Value at June 30
Change in unrealized gains/ (losses) on instruments still held
Automotive [Member] \| Retained interest in securitized assets
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1
Realized/unrealized gains/(losses) [Abstract]
Cost of sales (assets and liabilities, net)
Interest income and other non-operating income (loss), net (assets and liabilities, net)
Other comprehensive income/(loss) (assets and liabilities, net)
Total realized/unrealized gains/(losses) (assets and liabilities, net)
Purchases, issues, sales, settlements
Purchases (assets and liabilities, net)
Issues (assets and liabilities, net)
Sales (assets and liabilities, net)
Settlements (assets and liabilities, net)
Total purchases, issues, sales, settlements (assets and liabilities, net)
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)
Fair Value at June 30
Change in unrealized gains/ (losses) on instruments still held
Financial Services [Member]
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1	(88)	(125)
Realized/unrealized gains/(losses) [Abstract]
Other income/(loss), net (assets and liabilities, net)	(13)	(30)
Other comprehensive income/(loss) (assets and liabilities, net)	(2)	4
Interest expense (assets and liabilities, net)	26
Total realized/unrealized gains/(losses) (assets and liabilities, net)	11	(26)
Purchases, issues, sales, settlements
Purchases (assets and liabilities, net)	5
Issues (assets and liabilities, net)	73
Sales (assets and liabilities, net)
Settlements (assets and liabilities, net)	103	61
Total purchases, issues, sales, settlements (assets and liabilities, net)	181	61
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)	(4)
Fair Value at June 30	100	(90)
Change in unrealized gains/ (losses) on instruments still held	80	59
Financial Services [Member] \| Marketable securities
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1	1	4
Realized/unrealized gains/(losses) [Abstract]
Other income/(loss), net (assets)		(4)
Other comprehensive income/(loss) (assets)
Interest expense (assets)
Total realized/unrealized gains/(losses) (assets)		(4)
Purchases, issues, sales, settlements
Purchases (assets)	5
Issues (assets)
Sales (assets)
Settlements (assets)
Total purchases, issues, sales, settlements (assets)	5
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)	(1)
Fair Value at June 30	5
Change in unrealized gains/ (losses) on instruments still held
Financial Services [Member] \| Derivative financial instruments
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1	(89)	(155)
Realized/unrealized gains/(losses) [Abstract]
Other income/(loss), net (assets and liabilities, net)	(13)	(23)
Other comprehensive income/(loss) (assets and liabilities, net)	(2)	2
Interest expense (assets and liabilities, net)	26
Total realized/unrealized gains/(losses) (assets and liabilities, net)	11	(21)
Purchases, issues, sales, settlements
Purchases (assets and liabilities, net)
Issues (assets and liabilities, net)	73
Sales (assets and liabilities, net)
Settlements (assets and liabilities, net)	103	82
Total purchases, issues, sales, settlements (assets and liabilities, net)	176	82
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)	(3)
Fair Value at June 30	95	(94)
Change in unrealized gains/ (losses) on instruments still held	80	59
Financial Services [Member] \| Foreign government agencies
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1	1
Realized/unrealized gains/(losses) [Abstract]
Other income/(loss), net (assets)
Other comprehensive income/(loss) (assets)
Interest expense (assets)
Total realized/unrealized gains/(losses) (assets)
Purchases, issues, sales, settlements
Purchases (assets)
Issues (assets)
Sales (assets)
Settlements (assets)
Total purchases, issues, sales, settlements (assets)
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)	(1)
Fair Value at June 30
Change in unrealized gains/ (losses) on instruments still held
Financial Services [Member] \| Corporate Debt [Member]
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1		4
Realized/unrealized gains/(losses) [Abstract]
Other income/(loss), net (assets)		(4)
Other comprehensive income/(loss) (assets)
Interest expense (assets)
Total realized/unrealized gains/(losses) (assets)		(4)
Purchases, issues, sales, settlements
Purchases (assets)	5
Issues (assets)
Sales (assets)
Settlements (assets)
Total purchases, issues, sales, settlements (assets)	5
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)
Fair Value at June 30	5
Change in unrealized gains/ (losses) on instruments still held
Financial Services [Member] \| Mortgage-backed and other asset-backed
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1
Realized/unrealized gains/(losses) [Abstract]
Other income/(loss), net (assets)
Other comprehensive income/(loss) (assets)
Interest expense (assets)
Total realized/unrealized gains/(losses) (assets)
Purchases, issues, sales, settlements
Purchases (assets)
Issues (assets)
Sales (assets)
Settlements (assets)
Total purchases, issues, sales, settlements (assets)
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)
Fair Value at June 30
Change in unrealized gains/ (losses) on instruments still held
Financial Services [Member] \| Government - non-U.S.
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1
Realized/unrealized gains/(losses) [Abstract]
Other income/(loss), net (assets)
Other comprehensive income/(loss) (assets)
Interest expense (assets)
Total realized/unrealized gains/(losses) (assets)
Purchases, issues, sales, settlements
Purchases (assets)
Issues (assets)
Sales (assets)
Settlements (assets)
Total purchases, issues, sales, settlements (assets)
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)
Fair Value at June 30
Change in unrealized gains/ (losses) on instruments still held
Financial Services [Member] \| Retained interest in securitized assets
Reconciliation of Changes in Level 3 Balances [Abstract]
Fair Value at January 1		26
Realized/unrealized gains/(losses) [Abstract]
Other income/(loss), net (assets and liabilities, net)		(3)
Other comprehensive income/(loss) (assets and liabilities, net)		2
Interest expense (assets and liabilities, net)
Total realized/unrealized gains/(losses) (assets and liabilities, net)		(1)
Purchases, issues, sales, settlements
Purchases (assets and liabilities, net)
Issues (assets and liabilities, net)
Sales (assets and liabilities, net)
Settlements (assets and liabilities, net)		(21)
Total purchases, issues, sales, settlements (assets and liabilities, net)		(21)
Transfers into Level 3 (assets and liabilities, net)
Transfers out of Level 3 (assets and liabilities, net)
Fair Value at June 30		4
Change in unrealized gains/ (losses) on instruments still held
Marketable securities
Reconciliation of Changes in Level 3 Balances [Abstract]
Net Transfers Into/(Out of) Level 3	(2)
Derivative financial instruments
Reconciliation of Changes in Level 3 Balances [Abstract]
Net Transfers Into/(Out of) Level 3	$ (3)