devon energy corporation and subsidiaries notes to consolidated financial statements 2013 ( continued ) asset divestitures in conjunction with the asset divestitures in 2013 and 2014 , devon removed $ 26 million and $ 706 million of goodwill , respectively , which were allocated to these assets .impairment devon 2019s canadian goodwill was originally recognized in 2001 as a result of a business combination consisting almost entirely of conventional gas assets that devon no longer owns .as a result of performing the goodwill impairment test described in note 1 , devon concluded the implied fair value of its canadian goodwill was zero as of december 31 , 2014 .this conclusion was largely based on the significant decline in benchmark oil prices , particularly after opec 2019s decision not to reduce its production targets that was announced in late november 2014 .consequently , in the fourth quarter of 2014 , devon wrote off its remaining canadian goodwill and recognized a $ 1.9 billion impairment .other intangible assets as of december 31 , 2014 , intangible assets associated with customer relationships had a gross carrying amount of $ 569 million and $ 36 million of accumulated amortization .the weighted-average amortization period for the customer relationships is 13.7 years .amortization expense for intangibles was approximately $ 36 million for the year ended december 31 , 2014 .other intangible assets are reported in other long-term assets in the accompanying consolidated balance sheets .the following table summarizes the estimated aggregate amortization expense for the next five years .year amortization amount ( in millions ) . year | amortization amount ( in millions )
2015 | $ 45                               
2016 | $ 45                               
2017 | $ 45                               
2018 | $ 45                               
2019 | $ 44                                .
Question: what was the total amortization amount in the years of 2015 to 2018?
Steps: multiply(45, const_4)
Answer: 180.0
Question: including 2019, what becomes this total?

Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.
devon energy corporation and subsidiaries notes to consolidated financial statements 2013 ( continued ) asset divestitures in conjunction with the asset divestitures in 2013 and 2014 , devon removed $ 26 million and $ 706 million of goodwill , respectively , which were allocated to these assets .impairment devon 2019s canadian goodwill was originally recognized in 2001 as a result of a business combination consisting almost entirely of conventional gas assets that devon no longer owns .as a result of performing the goodwill impairment test described in note 1 , devon concluded the implied fair value of its canadian goodwill was zero as of december 31 , 2014 .this conclusion was largely based on the significant decline in benchmark oil prices , particularly after opec 2019s decision not to reduce its production targets that was announced in late november 2014 .consequently , in the fourth quarter of 2014 , devon wrote off its remaining canadian goodwill and recognized a $ 1.9 billion impairment .other intangible assets as of december 31 , 2014 , intangible assets associated with customer relationships had a gross carrying amount of $ 569 million and $ 36 million of accumulated amortization .the weighted-average amortization period for the customer relationships is 13.7 years .amortization expense for intangibles was approximately $ 36 million for the year ended december 31 , 2014 .other intangible assets are reported in other long-term assets in the accompanying consolidated balance sheets .the following table summarizes the estimated aggregate amortization expense for the next five years .year amortization amount ( in millions ) . year | amortization amount ( in millions )
2015 | $ 45                               
2016 | $ 45                               
2017 | $ 45                               
2018 | $ 45                               
2019 | $ 44                                .
Question: what was the total amortization amount in the years of 2015 to 2018?
Steps: multiply(45, const_4)
Answer: 180.0
Question: including 2019, what becomes this total?
