Consolidated Statements of Total Equity (Parenthetical) - $ / shares	3 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Beginning Balances, shares			368,431,454
Ending Balances, shares	363,633,208
Cash dividends declared per common share (in dollars per share)	$ 0.175	$ 0.175	$ 0.175	$ 0.15	$ 0.15	$ 0.15
Common Stock [Member]
Beginning Balances, shares	363,537,810	366,273,190	368,431,454	373,132,964	373,242,060	376,261,635
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	93,491	310,032	258,800	271,186	831,489	806,817
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture	1,907	954,588	582,936	2,524	1,059,415	273,608
Stock Repurchased and Retired During Period, Shares		(4,000,000)	(3,000,000)	(3,658,462)	(2,000,000)	(4,100,000)
Ending Balances, shares	363,633,208	363,537,810	366,273,190	369,748,212	373,132,964	373,242,060
Cash dividends declared per common share (in dollars per share)	$ 0.175	$ 0.175	$ 0.175	$ 0.15	$ 0.15	$ 0.15