Earnings per Share (Table)

6 Months Ended

Jun. 30, 2021

Earnings Per Share Reconciliation [Abstract]

Earnings per share reconciliation [Table Text Block]

The following is a reconciliation of the income (loss) and share data used in the basic and diluted earnings (loss) per share computations for the periods presented:

	Three Months Ended June 30,				Six Months Ended June 30,
(in millions, except per share amounts)	2021		2020		2021		2020
Basic and Diluted
Net income (loss), as reported	$	934	$	(40)	$	1,667	$	560
Participating share-based awards — allocated income	(7)		(1)		(12)		(3)
Net income (loss) available to common shareholders — basic and diluted	$	927	$	(41)	$	1,655	$	557
Common Shares
Basic
Weighted average shares outstanding	250.7		251.6		251.4		253.6
Diluted
Weighted average shares outstanding	250.7		251.6		251.4		253.6
Weighted average effects of dilutive securities — stock options and performance shares	2.4		—		2.2		1.1
Total	253.1		251.6		253.6		254.7
Net Income (Loss) per Common Share
Basic	$	3.70	$	(0.16)	$	6.58	$	2.19
Diluted	$	3.66	$	(0.16)	$	6.53	$	2.19