Consolidated Balance Sheets (Parentheticals) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Successor [Member]
Common Stock, Par or Stated Value Per Share	$ 0.30
Common Stock, Shares Authorized	1,800,000,000
Common Stock, Shares, Issued	100
Treasury Stock, Shares	0
Successor [Member] | $4.50 Series Preferred Stock [Member]
Preferred Stock, Par Value	$ 0
Preferred Stock, Shares Authorized	23,000,000
Preferred Stock, Shares Issued	1,673,000
Preferred Stock, Redemption Amount	$ 120
Successor [Member] | $3.50 Series Preferred Stock [Member]
Preferred Stock, Par Value	$ 0.00
Preferred Stock, Shares Authorized	23,000,000
Preferred Stock, Shares Issued	700,000
Preferred Stock, Redemption Amount	$ 102
Predecessor [Member]
Common Stock, Par or Stated Value Per Share		$ 0.30
Common Stock, Shares Authorized		1,800,000,000
Common Stock, Shares, Issued		950,044,000
Treasury Stock, Shares		87,041,000
Predecessor [Member] | $4.50 Series Preferred Stock [Member]
Preferred Stock, Par Value		$ 0
Preferred Stock, Shares Authorized		23,000,000
Preferred Stock, Shares Issued		1,673,000
Preferred Stock, Redemption Amount		$ 120
Predecessor [Member] | $3.50 Series Preferred Stock [Member]
Preferred Stock, Par Value		$ 0.00
Preferred Stock, Shares Authorized		23,000,000
Preferred Stock, Shares Issued		700,000
Preferred Stock, Redemption Amount		$ 102