Shareholders' Equity and Dividend Availability (Table)

12 Months Ended

Dec. 31, 2019

Stockholders' Equity Note [Abstract]

Share repurchase activity and remaining repurchase capacity under the share repurchase authorization [Table Text Block]

The following table summarizes repurchase activity in 2019 and remaining repurchase capacity at December 31, 2019.

(in millions, except per share amounts) Quarterly Period Ending	Number of shares repurchased	Cost of shares repurchased		Average price paid per share		Remaining capacity under share repurchase authorization
March 31, 2019	2.9	$	375	$	129.42	$	2,911
June 30, 2019	2.6	375		145.87		2,536
September 30, 2019	2.5	375		147.23		2,161
December 31, 2019	2.8	375		134.33		1,786
Total	10.8	$	1,500	138.80		1,786