Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Schedule of Prior Period Adjustments

The table below shows the effect of the errors on our consolidated statement of income and our consolidated statement of condition for the periods presented.

	Year Ended December 31, 2014							Year Ended December 31, 2013
(In millions, except per share amounts)	Previously Reported		Correction			Revised		Previously Reported		Correction			Revised
Servicing fee revenue	$	5,129	$	(21	)	$	5,108	$	4,819	$	(20	)	$	4,799
Total revenue	10,295		(21		)	10,274		9,884		(20		)	9,864
Income before income tax expense	2,458		(21		)	2,437		2,686		(20		)	2,666
Income tax expense	421		(6		)	415		550		66			616
Net income	2,037		(15		)	2,022		2,136		(86		)	2,050
Earnings per share:
Basic	$	4.65	$	(0.03	)	$	4.62	$	4.71	$	(0.19	)	$	4.52
Diluted	4.57		(0.04		)	4.53		4.62		(0.19		)	4.43

	December 31, 2014
(In millions, except per share amounts)	Previously Reported		Correction			Revised
Total assets	$	274,119	$	—		$	274,119
Total liabilities	252,646		145			252,791
Retained earnings	14,882		(145		)	14,737
Total equity	21,473		(145		)	21,328
Total liabilities and shareholders' equity	274,119		—			274,119