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Consolidated Balance Sheets (Parentheticals) - USD ($) | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Common Stock, Par Value | $ 0.01 | $ 0.01
Common Stock, Shares Authorized | 1,666,667,000 | 1,666,667,000
Common Stock, Shares, Outstanding | 743,458,000 | 748,577,000
EID [Member] |  |
Common Stock, Par Value | $ 0.30 | $ 0.30
Common Stock, Shares Authorized | 1,800,000,000 | 1,800,000,000
Common Stock, Shares, Outstanding | 200 | 200
EID [Member] | $4.50 Series Preferred Stock [Member] |  |
Preferred Stock, Par Value | $ 0 | $ 0
Preferred Stock, Shares Authorized | 23,000,000 | 23,000,000
Preferred Stock, Shares Issued | 1,673,000 | 1,673,000
Preferred Stock, Redemption Amount | $ 120 | $ 120
EID [Member] | $3.50 Series Preferred Stock [Member] |  |
Preferred Stock, Par Value | $ 0 | $ 0
Preferred Stock, Shares Authorized | 23,000,000 | 23,000,000
Preferred Stock, Shares Issued | 700,000 | 700,000
Preferred Stock, Redemption Amount | $ 102 | $ 102

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