XML 92 R93.htm IDEA: XBRL DOCUMENT v3.20.1
Subsequent Events (Details) - USD ($)
12 Months Ended
Feb. 07, 2020
Feb. 03, 2020
Oct. 17, 2019
Jul. 31, 2019
Apr. 25, 2019
Dec. 12, 2018
Oct. 23, 2018
Jul. 26, 2018
Apr. 26, 2018
Dec. 13, 2017
Oct. 25, 2017
Jul. 27, 2017
Apr. 27, 2017
Jan. 05, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Subsequent Event [Line Items]                                  
Common stock dividends declared per share                             $ 0.86 $ 1.12 $ 1.3475
Expected cash distribution on Enable Common Units                             $ 261,000,000 $ 267,000,000 $ 0
Series A Preferred Units [Member] | Subsequent Event [Member] | Enable Midstream Partners [Member]                                  
Subsequent Event [Line Items]                                  
Declaration Date Feb. 07, 2020                                
Record Date Feb. 07, 2020                                
Payment Date Feb. 14, 2020                                
Distributions Declared, Per Unit $ 0.6250                                
Expected cash distribution on Enable's Series A Preferred Units $ 9,000,000                                
Common Units [Member] | Subsequent Event [Member] | Enable Midstream Partners [Member]                                  
Subsequent Event [Line Items]                                  
Declaration Date Feb. 07, 2020                                
Record Date Feb. 18, 2020                                
Payment Date Feb. 25, 2020                                
Distributions Declared, Per Unit $ 0.3305                                
Expected cash distribution on Enable Common Units $ 77,000,000                                
Common Stock [Member]                                  
Subsequent Event [Line Items]                                  
Declaration Date     Oct. 17, 2019 Jul. 31, 2019 Apr. 25, 2019 Dec. 12, 2018 Oct. 23, 2018 Jul. 26, 2018 Apr. 26, 2018 Dec. 13, 2017 Oct. 25, 2017 Jul. 27, 2017 Apr. 27, 2017 Jan. 05, 2017      
Record Date     Nov. 21, 2019 Aug. 15, 2019 May 16, 2019 Feb. 21, 2019 Nov. 15, 2018 Aug. 16, 2018 May 17, 2018 Feb. 15, 2018 Nov. 16, 2017 Aug. 16, 2017 May 16, 2017 Feb. 16, 2017      
Payment Date     Dec. 12, 2019 Sep. 12, 2019 Jun. 13, 2019 Mar. 14, 2019 Dec. 13, 2018 Sep. 13, 2018 Jun. 14, 2018 Mar. 08, 2018 Dec. 08, 2017 Sep. 08, 2017 Jun. 09, 2017 Mar. 10, 2017      
Common stock dividends declared per share     $ 0.2875 $ 0.2875 $ 0.2875 $ 0.2875 $ 0.2775 $ 0.2775 $ 0.2775 $ 0.2775 $ 0.2675 $ 0.2675 $ 0.2675 $ 0.2675 $ 0.8625 $ 1.1200 $ 1.3475
Common Stock [Member] | Subsequent Event [Member]                                  
Subsequent Event [Line Items]                                  
Declaration Date   Feb. 03, 2020                              
Record Date   Feb. 20, 2020                              
Payment Date   Mar. 12, 2020                              
Common stock dividends declared per share   $ 0.2900                              
Series A Preferred Stock [Member]                                  
Subsequent Event [Line Items]                                  
Declaration Date       Jul. 31, 2019   Dec. 12, 2018                      
Record Date       Aug. 15, 2019   Feb. 15, 2019                      
Payment Date       Sep. 03, 2019   Mar. 01, 2019                      
Preferred stock dividends declared per share       $ 30.6250   $ 32.1563                 30.6250 32.1563 0.0000
Series A Preferred Stock [Member] | Subsequent Event [Member]                                  
Subsequent Event [Line Items]                                  
Declaration Date   Feb. 03, 2020                              
Record Date   Feb. 14, 2020                              
Payment Date   Mar. 02, 2020                              
Preferred stock dividends declared per share   $ 30.6250                              
Series B Preferred Stock [Member]                                  
Subsequent Event [Line Items]                                  
Declaration Date     Oct. 17, 2019 Jul. 31, 2019 Apr. 25, 2019 Dec. 12, 2018 Oct. 23, 2018                    
Record Date     Nov. 15, 2019 Aug. 15, 2019 May 15, 2019 Feb. 15, 2019 Nov. 15, 2018                    
Payment Date     Dec. 02, 2019 Sep. 03, 2019 Jun. 03, 2019 Mar. 01, 2019 Dec. 01, 2018                    
Preferred stock dividends declared per share     $ 17.5000 $ 17.5000 $ 17.5000 $ 17.5000 $ 11.6667               $ 52.5000 $ 29.1667 $ 0.0000
Series B Preferred Stock [Member] | Subsequent Event [Member]                                  
Subsequent Event [Line Items]                                  
Declaration Date   Feb. 03, 2020                              
Record Date   Feb. 14, 2020                              
Payment Date   Mar. 02, 2020                              
Preferred stock dividends declared per share   $ 17.5000                              
CenterPoint Energy Resources Corp.                                  
Subsequent Event [Line Items]                                  
Expected cash distribution on Enable Common Units                             $ 0 $ 176,000,000 $ 0