Inventories

3 Months Ended

Mar. 31, 2019

Inventories consisted of the following:



	March 31 2019		December 31 2018
Long-term contracts in progress		$1,159		$2,129
Commercial aircraft programs	55,490		52,753
Commercial spare parts, used aircraft, general stock materials and other	8,720		7,685
Total		$65,369		$62,567

Long-Term Contracts in Progress

Long-term contracts in progress includes Delta launch program inventory that is being sold at cost to United Launch Alliance (ULA) under an inventory supply agreement that terminates on March 31, 2021. The inventory balance was $193 and $227 at March 31, 2019 and December 31, 2018. See indemnifications to ULA in Note 12.

Included in inventories are capitalized precontract costs of $661 at March 31, 2019 and $644 at December 31, 2018 primarily related to the KC-46A Tanker. See Note 11.

Commercial Aircraft Programs

At March 31, 2019 and December 31, 2018, commercial aircraft programs inventory included the following amounts related to the 787 program: $27,749 and $27,852 of work in process (including deferred production costs of $22,029 and $22,967), $2,379 and $2,453 of supplier advances, and $2,532 and $2,638 of unamortized tooling and other non-recurring costs. At March 31, 2019, $16,656 of 787 deferred production costs, unamortized tooling and other non-recurring costs are expected to be recovered from units included in the program accounting quantity that have firm orders and $7,905 is expected to be recovered from units included in the program accounting quantity that represent expected future orders.

At March 31, 2019 and December 31, 2018, commercial aircraft programs inventory included $105 and $116 of unamortized tooling costs related to the 747 program. At March 31, 2019, $100 of unamortized tooling costs are expected to be recovered from units included in the program accounting quantity that have firm orders or commitments. At March 31, 2019, the program accounting quantity includes one already completed aircraft which is being remarketed.

Commercial aircraft programs inventory included amounts credited in cash or other consideration (early issue sales consideration) to airline customers totaling $2,724 and $2,844 at March 31, 2019 and December 31, 2018.