VIE (Classifications of Consolidated VIE Assets, Liabilities and Noncontrolling Interest Included in the Bancorp's Consolidated Balance Sheets) (Detail) - USD ($) $ in Millions		Jun. 30, 2017		Mar. 31, 2017	Dec. 31, 2016		Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015
Assets
Cash and due from banks		$ 2,203	[1]		$ 2,392	[1]	$ 2,359		$ 2,540	[1]
Commercial mortgage loans		6,868			6,899
Automobile loans		9,318			9,983
ALLL		(1,226)	[1],[2]	$ (1,238)	(1,253)	[1],[3]	$ (1,299)	$ (1,295)	$ (1,272)
Other assets	[1]	6,974			7,844
Liabilities
Other liabilities	[1]	2,162			2,269
Long-term debt	[1]	13,456			14,388
Noncontrolling interests		27			27
Variable Interest Entity, Primary Beneficiary
Assets
Cash and due from banks		57			85
Commercial mortgage loans		46			46
Automobile loans		691			1,170
ALLL		(24)			(26)
Other assets		7			9
Total Assets		777			1,284
Liabilities
Other liabilities		1			3
Long-term debt		618			1,094
Total liabilities		619			1,097
Noncontrolling interests		27			27
Variable Interest Entity, Primary Beneficiary | Automobile Loans
Assets
Cash and due from banks		56			84
Commercial mortgage loans		0			0
Automobile loans		691			1,170
ALLL		(4)			(6)
Other assets		7			9
Total Assets		750			1,257
Liabilities
Other liabilities		1			3
Long-term debt		618			1,094
Total liabilities		619			1,097
Noncontrolling interests		0			0
Variable Interest Entity, Primary Beneficiary | Fifth Third Community Development Corporation Investments
Assets
Cash and due from banks		1			1
Commercial mortgage loans		46			46
Automobile loans		0			0
ALLL		(20)			(20)
Other assets		0			0
Total Assets		27			27
Liabilities
Other liabilities		0			0
Long-term debt		0			0
Total liabilities		0			0
Noncontrolling interests		$ 27			$ 27

[1] Includes $ 57 and $ 85 of cash and due from banks, $ 737 and $ 1,216 of portfolio loans and leases , $ (24) and $ (26) of ALLL, $ 7 and $ 9 of other assets, $ 1 and $ 3 of other liabilities , and $ 618 and $ 1,094 of long-term debt from consolidated VIEs that are included in their respective captions above at June 30, 2017 and December 31, 2016 , respectively. For further information refer to Note 10 .

[2] Includes $ 2 related to leveraged leases at June 30, 2017 .

[3] Includes $ 2 related to leveraged leases at December 31, 2016 .