Inventories

6 Months Ended

Jun. 30, 2020

Inventories consisted of the following:



	June 30 2020		December 31 2019
Long-term contracts in progress		$957		$1,187
Commercial aircraft programs	71,945		66,016
Commercial spare parts, used aircraft, general stock materials and other	10,843		9,419
Total		$83,745		$76,622

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 $176 at June 30, 2020 and December 31, 2019. See indemnifications to ULA in Note 11.

Included in inventories are capitalized precontract costs of $794 at June 30, 2020 and $711 at December 31, 2019 primarily related to the KC-46A Tanker and Commercial Crew. See Note 10.

Commercial Aircraft Programs

At June 30, 2020 and December 31, 2019, commercial aircraft programs inventory included $1,209 and $1,313 of deferred production costs and $506 and $521 of unamortized tooling and other non-recurring costs related to the 737 program. At June 30, 2020, $1,678 of 737 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 $37 is expected to be recovered from units included in the program accounting quantity that represent expected future orders.

At June 30, 2020 and December 31, 2019, commercial aircraft programs inventory included the following amounts related to the 777X program: $6,854 and $5,628 of work in process and $3,141 and $2,914 of unamortized tooling and other non-recurring costs.

At June 30, 2020 and December 31, 2019, commercial aircraft programs inventory included the following amounts related to the 787 program: $27,515 and $24,772 of work in process (including deferred production costs of $16,035 and $18,716), $2,006 and $2,202 of supplier advances, and $1,924 and $2,092 of unamortized tooling and other non-recurring costs. At June 30, 2020, $15,496 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 $2,463 is expected to be recovered from units included in the program accounting quantity that represent expected future orders.

Commercial aircraft programs inventory included amounts credited in cash or other consideration (early issue sales consideration) to airline customers totaling $2,941 and $2,863 at June 30, 2020 and December 31, 2019.