(Rollforward Of Common Stock Activity) (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Common stock, beginning balance	448,900
Common stock, ending balance	448,900	448,900
Treasury	101,500	102,900
Issued
Class of Stock [Line Items]
Common stock, beginning balance	448,916	448,916	448,916
Issuance of stock for various plans, net	0	0	0
Repurchase of stock	0	0	0
Common stock, ending balance	448,916	448,916	448,916
Common Stock Held In Treasury, At Cost
Class of Stock [Line Items]
Issuance of stock for various plans, net	(2,028)	(1,647)	(1,569)
Repurchase of stock	648	5,894	29,839
Treasury	101,499	102,879	98,632	70,362