Tulsa,OK-Based Oil & Gas Co Williams Companies 4Q 2017 Pretax Loss Was $478 Mil, a $564 Mil Earnings Deterioration From Its Net Income in the 4Q 2016 of $86 Mil ....................................................................................... On the Other Hand, Williams Companies After-Tax Net Income in the 4Q 2017 Was $1.622 Bil, Up a Spectacularly Off-the-Charts 43 TIMES or Up $1.585 Bil From Its 4Q 2016 Net Income of $37 Mil ....................................................................................... Whoa, What's Going On Here With Williams Companies Earnings? ....................................................................................... Well, It's All About the US Trump Tax Cuts Act ....................................................................................... Williams Companies Received an Income Tax Benefit of a Massive $1.923 Bil in the 4Q 2017 From the Puzzling, Very Lucrative US Federal Income Tax Debt Forgiveness Feature in the Oil & Gas Company-Favored US Trump Tax Cuts Act ....................................................................................... This $1.923 Bil Income Tax Benefit Comprised 119% of Its 4Q 2017 Total Net Income of $1.622 Mil