Commitments, Guarantees, And Contingent Liabilities (Tables)

6 Months Ended

Jun. 30, 2017

Guarantees, Commitments And Contingencies [Abstract]

Schedule Of Guarantees Issued

(In millions)	June 30, 2017		December 31, 2016
Net unfunded commitments to extend credit 1	$	18,409	$	18,274
Standby letters of credit:
Financial	672		771
Performance	194		196
Commercial letters of credit	46		60
Total unfunded lending commitments	$	19,321	$	19,301

¹  Net of participations