Loans (Schedule Of Credit Quality Indicators By Internally Assigned Grading System) (Details) (USD $) In Millions	Jun. 30, 2011		Dec. 31, 2010
Credit exposure of credit risk profile by internally assigned grade	$ 23,713.7	[1]	$ 25,634.6	[1]
Loans in assets held for sale	1,428.9		1,134.1
Pass [Member]
Credit exposure of credit risk profile by internally assigned grade	18,067.5		19,249.3
Pass [Member] | Corporate Finance - Other [Member]
Credit exposure of credit risk profile by internally assigned grade	4,313.2		4,843.4
Pass [Member] | Small Business Lending [Member]
Credit exposure of credit risk profile by internally assigned grade	271.4		360.9
Pass [Member] | Commercial [Member]
Total commercial loan	11,126.6		11,900.9
Pass [Member] | Consumer [Member]
Total consumer loan	6,940.9		7,348.4
Pass [Member] | Transportation Finance [Member]
Credit exposure of credit risk profile by internally assigned grade	727.4		652.3
Pass [Member] | Trade Finance [Member]
Credit exposure of credit risk profile by internally assigned grade	2,102.6		1,977.9
Pass [Member] | Vendor Finance - US [Member]
Credit exposure of credit risk profile by internally assigned grade	2,034.5		2,198.5
Pass [Member] | Vendor Finance - International [Member]
Credit exposure of credit risk profile by internally assigned grade	1,677.5		1,867.9
Special Mention [Member]
Credit exposure of credit risk profile by internally assigned grade	2,714.6		2,915.5
Special Mention [Member] | Consumer [Member]
Total consumer loan	385.6		358.2
Special Mention [Member] | Corporate Finance - Other [Member]
Credit exposure of credit risk profile by internally assigned grade	1,315.6		1,275.6
Special Mention [Member] | Small Business Lending [Member]
Credit exposure of credit risk profile by internally assigned grade	241.4		161.0
Special Mention [Member] | Transportation Finance [Member]
Credit exposure of credit risk profile by internally assigned grade	269.1		540.8
Special Mention [Member] | Trade Finance [Member]
Credit exposure of credit risk profile by internally assigned grade	251.2		244.3
Special Mention [Member] | Vendor Finance - US [Member]
Credit exposure of credit risk profile by internally assigned grade	129.0		142.5
Special Mention [Member] | Vendor Finance - International [Member]
Credit exposure of credit risk profile by internally assigned grade	122.7		193.1
Special Mention [Member] | Commercial [Member]
Total commercial loan	2,329.0		2,557.3
Substandard [Member]
Credit exposure of credit risk profile by internally assigned grade	2,295.8		2,662.8
Substandard [Member] | Consumer [Member]
Total consumer loan	397.4		614.4
Substandard [Member] | Corporate Finance - Other [Member]
Credit exposure of credit risk profile by internally assigned grade	981.8		1,205.1
Substandard [Member] | Small Business Lending [Member]
Credit exposure of credit risk profile by internally assigned grade	175.6		211.8
Substandard [Member] | Transportation Finance [Member]
Credit exposure of credit risk profile by internally assigned grade	357.9		192.4
Substandard [Member] | Trade Finance [Member]
Credit exposure of credit risk profile by internally assigned grade	157.3		123.0
Substandard [Member] | Vendor Finance - US [Member]
Credit exposure of credit risk profile by internally assigned grade	142.9		180.7
Substandard [Member] | Vendor Finance - International [Member]
Credit exposure of credit risk profile by internally assigned grade	82.9		135.4
Substandard [Member] | Commercial [Member]
Total commercial loan	1,898.4		2,048.4
Doubtful [Member]
Credit exposure of credit risk profile by internally assigned grade	635.8		807.0
Doubtful [Member] | Commercial [Member]
Total commercial loan	634.7		805.4
Doubtful [Member] | Consumer [Member]
Total consumer loan	1.1		1.6
Doubtful [Member] | Corporate Finance - Other [Member]
Credit exposure of credit risk profile by internally assigned grade	347.7		460.0
Doubtful [Member] | Small Business Lending [Member]
Credit exposure of credit risk profile by internally assigned grade	153.4		183.6
Doubtful [Member] | Transportation Finance [Member]
Credit exposure of credit risk profile by internally assigned grade	2.7		3.4
Doubtful [Member] | Trade Finance [Member]
Credit exposure of credit risk profile by internally assigned grade	27.3		42.2
Doubtful [Member] | Vendor Finance - US [Member]
Credit exposure of credit risk profile by internally assigned grade	47.7		55.4
Doubtful [Member] | Vendor Finance - International [Member]
Credit exposure of credit risk profile by internally assigned grade	55.9		60.8
Non-Accrual Loans [Member]
Credit exposure of credit risk profile by internally assigned grade	1,061.8		1,616.0
Non-Accrual Loans [Member] | Commercial [Member]
Total commercial loan	1,061.0		1,615.3
Non-Accrual Loans [Member] | Consumer [Member]
Total consumer loan	0.8		0.7
Non-Accrual Loans [Member] | Corporate Finance - Other [Member]
Credit exposure of credit risk profile by internally assigned grade	627.4		1,025.4
Non-Accrual Loans [Member] | Small Business Lending [Member]
Credit exposure of credit risk profile by internally assigned grade	177.0		214.4
Non-Accrual Loans [Member] | Transportation Finance [Member]
Credit exposure of credit risk profile by internally assigned grade	56.0		63.2
Non-Accrual Loans [Member] | Trade Finance [Member]
Credit exposure of credit risk profile by internally assigned grade	73.4		164.4
Non-Accrual Loans [Member] | Vendor Finance - US [Member]
Credit exposure of credit risk profile by internally assigned grade	66.8		80.2
Non-Accrual Loans [Member] | Vendor Finance - International [Member]
Credit exposure of credit risk profile by internally assigned grade	60.4		67.7
Corporate Finance - Other [Member]
Credit exposure of credit risk profile by internally assigned grade	6,958.3	[1]	7,784.1	[1]
Small Business Lending [Member]
Credit exposure of credit risk profile by internally assigned grade	841.8	[1]	917.3	[1]
Transportation Finance [Member]
Credit exposure of credit risk profile by internally assigned grade	1,357.1	[1]	1,388.9	[1]
Trade Finance [Member]
Credit exposure of credit risk profile by internally assigned grade	2,538.4	[1]	2,387.4	[1]
Vendor Finance - US [Member]
Credit exposure of credit risk profile by internally assigned grade	2,354.1	[1]	2,577.1	[1]
Vendor Finance - International [Member]
Credit exposure of credit risk profile by internally assigned grade	1,939.0	[1]	2,257.2	[1]
Commercial [Member]
Total commercial loan	15,988.7	[1]	17,312.0	[1]
Consumer [Member]
Total consumer loan	$ 7,725.0	[1]	$ 8,322.6	[1]

[1] Balances include $1,428.9 million and $1,134.1 million of loans in Assets Held for Sale at June 30, 2011 and December 31, 2010, respectively, which are measured at the lower of cost or fair value. ASU 2010-20 does not require inclusion of these finance receivables in the disclosures above. However, until they are disposed of, the Company manages the credit risk and collections of finance receivables held for sale consistently with its finance receivables held for investment, so that Company data are tracked and used for management purposes on an aggregated basis, as presented above. Other than finance receivables, Assets Held for Sale total on the balance sheet also include operating lease equipment held for sale, which are not included in the above table.