Consolidated Statements of Changes in Equity (Parenthetical) - $ / shares	3 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2020
Statement of Stockholders' Equity [Abstract]
Common stock, par value (in usd per share)	$ 2				$ 2
Dividends declared, per share (in usd per share)	$ 0.0025	$ 0.0025	$ 0.0025	$ 0.0025