| Line | Roll Up Total Concept | Roll Up Items Concept | Count |
|---|---|---|---|
| 1 | ba:DilutedWeightedAverageSharesOutstanding | us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 1 |
| 2 | ba:DilutedWeightedAverageSharesOutstanding | us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment | 1 |
(Note that this is a work in progress!)