Condensed Consolidated Statement of Changes in Equity (unaudited) (Parenthetical) - $ / shares		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Stockholders' Equity [Abstract]
Cash dividends declared per common share (in dollars per share)	[1]	$ 0.25	$ 0.19	$ 0.63	$ 0.57

[1] Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.