Statement of Financial Position (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Balance Sheet Related Disclosures [Abstract]
Common Stock, Shares, Outstanding	3,985,404	3,985,404
Sum of accumulated other comprehensive income - net	$ (151)	$ (137)
Accumulated other comprehensive income - net attributable to noncontrolling interests	(3,006)	(3,605)
Assets of consolidated variable interest entities that can only be used to settle the liabilities of those VIEs	43,854
Net financing receivables of certain VIEs that can only be used to settle the liabilities of those VIEs	37,120
Investment securities of certain VIEs that can only be used to settle the liabilities of those VIEs	4,289
Nonrecourse Borrowings Of Consolidated Securitization Entities Where VIE Creditors Do Not Have Recourse To Company	$ 28,758
Common Stock, Par or Stated Value Per Share	$ 14	$ 14
Common Stock, Shares Authorized	4,166,000	4,166,000
Common Stock, Shares, Issued	3,985,404	3,985,404