Off-Balance-Sheet Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2018

Fair Value Disclosures [Abstract]

Commitments and Letters of Credit

The following table shows the contractual amounts of commitments and letters of credit.

TABLE 120: COMMITMENTS AND LETTERS OF CREDIT

	DECEMBER 31,
(In Millions)	2018		2017
Legally Binding Commitments to Extend Credit(1)	$	25,023.0	$	26,822.6
Standby Letters of Credit(2)	2,486.2		2,970.0
Commercial Letters of Credit	32.3		37.7

(1)These amounts exclude $242.3 million and $385.5 million of commitments participated to others at December 31, 2018 and 2017, respectively.

(2)These amounts include $72.3 million and $92.5 million of standby letters of credit secured by cash deposits or participated to others as of December 31, 2018 and 2017, respectively. The weighted average maturity of standby letters of credit was 23 months at December 31, 2018 and 22 months at December 31, 2017.