Percentage-of-Completion Contracts

6 Months Ended

Mar. 31, 2018

Disclosure Percentage Of Completion Contracts Additional Information [Abstract]

Percentage-of-Completion Contracts

Percentage-of-Completion Contracts

The Building Technologies & Solutions business records certain long-term contracts under the percentage-of-completion method of accounting. Under this method, sales and gross profit are recognized as work is performed based on the relationship between actual costs incurred and total estimated costs at completion. The Company records costs and earnings in excess of billings on uncompleted contracts primarily within accounts receivable - net and billings in excess of costs and earnings on uncompleted contracts primarily within deferred revenue in the consolidated statements of financial position. Costs and earnings in excess of billings related to these contracts were $1,065 million and $908 million at March 31, 2018 and September 30, 2017, respectively. Billings in excess of costs and earnings related to these contracts were $565 million and $451 million at March 31, 2018 and September 30, 2017, respectively.