Commitments, Guarantees, And Contingent Liabilities (Tables)

9 Months Ended

Sep. 30, 2017

Guarantees, Commitments And Contingencies [Abstract]

Schedule Of Guarantees Issued

(In millions)	September 30, 2017		December 31, 2016
Net unfunded commitments to extend credit 1	$	18,828	$	18,274
Standby letters of credit:
Financial	709		771
Performance	202		196
Commercial letters of credit	43		60
Total unfunded lending commitments	$	19,782	$	19,301

¹  Net of participations