VIE (Classifications of Consolidated VIE Assets, Liabilities and Noncontrolling Interest Included in the Bancorp's Consolidated Balance Sheets) (Detail) - USD ($) $ in Millions		Dec. 31, 2018		Dec. 31, 2017		Dec. 31, 2016		Dec. 31, 2015
Assets
Other short-term investments	[1]	$ 1,825		$ 2,753
Cash and due from banks		2,681		2,514	[2]	$ 2,392	[2]	$ 2,540	[2]
Commercial mortgage loans		6,974		6,604
Automobile loans		8,976		9,112
ALLL		(1,103)	[1]	(1,196)	[1]	$ (1,253)		$ (1,272)
Other assets	[1]	7,372	[2]	6,863
Liabilities
Other liabilities	[1]	2,498		2,144
Long-term debt	[1]	14,426		14,904
Noncontrolling interests		0		20
Variable Interest Entity, Primary Beneficiary
Assets
Other short-term investments		40		62
Commercial mortgage loans		0		20
Automobile loans		668		1,277
ALLL		(4)		(6)
Other assets		5		7
Total Assets		709		1,360
Liabilities
Other liabilities		1		2
Long-term debt		606		1,190
Total liabilities		607		1,192
Noncontrolling interests		0		20
Variable Interest Entity, Primary Beneficiary | Automobile Loans
Assets
Other short-term investments		40		62
Commercial mortgage loans		0		0
Automobile loans		668		1,277
ALLL		(4)		(6)
Other assets		5		7
Total Assets		709		1,340
Liabilities
Other liabilities		1		2
Long-term debt		606		1,190
Total liabilities		607		1,192
Noncontrolling interests		0		0
Variable Interest Entity, Primary Beneficiary | Fifth Third Community Development Corporation Investments
Assets
Other short-term investments				0
Cash and due from banks		0
Commercial mortgage loans		0		20
Automobile loans		0		0
ALLL		0		0
Other assets		0		0
Total Assets		0		20
Liabilities
Other liabilities		0		0
Long-term debt		0		0
Total liabilities		0		0
Noncontrolling interests		$ 0		$ 20

[1] Includes $ 40 and $ 62 of other short-term investments, $ 668 and $ 1,297 of portfolio loans and leases, $ (4) and $ (6) of ALLL, $ 5 and $ 7 of other assets, $ 1 and $ 2 of other liabilities and $ 606 and $ 1,190 of long-term debt from consolidated VIEs that are included in their respec tive captions above at December 31, 2018 and 2017 , respectively. For further information, refer to Note 10 .

[2] Effective in the fourth quarter of 2018, Fifth Third retrospectively applied a change in its accounting policy for investments in affordable housing projects that qualify for LIHTC in accordance with ASU 2014-01. Refer to Note 1 for additional information.