Earnings Per Share (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Basic weighted average common shares (in thousands)	454,049,000	571,031,000	460,023,000	593,262,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	3,114,000		5,311,000	2,200,000
Diluted weighted average common shares (in thousands)	457,163,000	571,031,000	465,349,000	595,479,000
Anti-dilutive shares	26,453,000	30,651,000	9,381,000	25,649,000
Performance stock units and restricted stock whose performance metrics have not been achieved.	8,618,000	8,893,000	8,704,000	8,139,000
Restricted Stock Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	0		15,000	17,000