Selected Quarterly Financial Data (Unaudited) (Table)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Data (Unaudited) disclosure [Table Text Block]

2019 (in millions, except per share amounts)	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total
Total revenues	$	7,671	$	7,834	$	8,013	$	8,063	$	31,581
Total expenses	6,704		7,169		7,581		6,989		28,443
Income before income taxes	967		665		432		1,074		3,138
Income tax expense	171		108		36		201		516
Net income	$	796	$	557	$	396	$	873	$	2,622
Net income per share (1):
Basic	$	3.01	$	2.11	$	1.52	$	3.37	$	10.01
Diluted	2.99		2.10		1.50		3.35		9.92
2018 (in millions, except per share amounts)	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total
Total revenues	$	7,286	$	7,477	$	7,723	$	7,796	$	30,282
Total expenses	6,508		6,846		6,917		7,050		27,321
Income before income taxes	778		631		806		746		2,961
Income tax expense	109		107		97		125		438
Net income	$	669	$	524	$	709	$	621	$	2,523
Net income per share (1):
Basic	$	2.45	$	1.93	$	2.65	$	2.33	$	9.37
Diluted	2.42		1.92		2.62		2.32		9.28

___________________________________________

(1)

Due to the use of an average number of shares for each quarter, the sum of the quarterly earnings per share may not equal the total earnings per share for the full year.