Debt	6 Months Ended
	Jun. 30, 2023
Debt Disclosure [Abstract]
Debt	DEBTDebt Issuance.  On May 25, 2023, the Company issued $750 million aggregate principal amount of 5.45% senior notes that will mature on May 25, 2053.  The net proceeds of the issuance, after the deduction of the underwriting discount and expenses payable by the Company, totaled approximately $738 million.  Interest on the senior notes is payable semi-annually in arrears on May 25 and November 25.  Prior to November 25, 2052, the senior notes may be redeemed, in whole or in part, at the Company’s option, at any time or from time to time, at a redemption price equal to the greater of (a) 100% of the principal amount of any senior notes to be redeemed or (b) the sum of the present values of the remaining scheduled payments of principal and interest to but excluding November 25, 2052 on any senior notes to be redeemed (exclusive of interest accrued to the date of redemption) discounted to the date of redemption on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the then current Treasury Rate (as defined in the senior notes), plus 25 basis points.  On or after November 25, 2052, the senior notes may be redeemed, in whole or in part, at the Company’s option, at any time or from time to time, at a redemption price equal to 100% of the principal amount of any senior notes to be redeemed, plus accrued and unpaid interest to, but excluding, the redemption date.