Condensed Consolidated Statements of Financial Position (Unaudited) (Parentheticals) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Accumulated Depreciation	$ 7,611	$ 7,258
Long-term Debt, Current Maturities	$ 1,097	$ 1,072
Preferred Stock, Par Value	$ 1	$ 1
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Common Stock, Par or Stated Value Per Share	$ 1	$ 1
Common Stock, Shares Authorized	800,000,000	800,000,000
Common Stock, Shares, Issued	151,388,972	153,157,924
Common Stock, Shares, Outstanding	151,388,972	153,157,924