Number of Shares to be issued upon Exercise of Outstanding Stock-Based Awards and Remaining Shares Available for Future Issuance under all Equity Compensation Plans (Detail) shares in Thousands	Dec. 31, 2015 $ / shares shares
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Number of Shares to be Issued Upon Exercise	8,659
Shares available for future issuance	31,480
Equity Compensation Plans Approved Shareholders [Member]
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Shares available for future issuance	24,667	[1]
Restricted Stock Awards
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Number of Shares to be Issued Upon Exercise	8,281
Stock Option
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Number of Shares to be Issued Upon Exercise	7	[2]
Weighted-Average Exercise Price | $ / shares	$ 32.26	[2]
Employee stock purchase plan
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Shares available for future issuance	6,813	[3]
Restricted Stock Units
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Number of Shares to be Issued Upon Exercise	371

[1] Under the 2014 Incentive Compensation Plan, 36 million shares were authorized for issuance as SARs, RSAs, RSUs, stock options, performance share or unit awards, dividend or dividend equivalent rights and stock awards.

[2] Excludes 0.1 million outstanding options awarded under plans assumed by the Bancorp in connection with certain mergers and acquisitions. The Bancorp has not made any awards under these plans and will make no additional awards under these plans. The weighted-average exercise price of the outstanding options is $13.89 per share.

[3] Represents remaining shares of Fifth Third common stock under the Bancorp’s 1993 Stock Purchase Plan, as amended and restated, including an additional 1.5 million shares approved by shareholders on March 28, 2007 and an additional 12 million shares approved by shareholders on April 21, 2009.