magento-test/app/code/Magento/Sales/view/adminhtml/templates/transactions/detail.phtml

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

/* @var \Magento\Sales\Block\Adminhtml\Transactions\Detail $block */
?>
<div data-mage-init='{"floatingHeader": {}}' class="page-actions"><?= $block->getButtonsHtml() ?></div>
<section class="admin__page-section">
    <div class="admin__page-section-title">
        <span class="title"><?= $block->escapeHtml(__('Transaction Data')) ?></span>
    </div>
    <div id="log_details_fieldset" class="admin__page-section-content log-details">
        <table class="log-info data-table admin__table-secondary">
            <tbody>
            <tr>
                <th><?= $block->escapeHtml(__('Transaction ID')) ?></th>
                <td><?= $block->getTxnIdHtml() ?></td>
            </tr>
            <tr>
                <th><?= $block->escapeHtml(__('Parent Transaction ID')) ?></th>
                <td>
                    <?php if ($block->getParentTxnIdHtml()) : ?>
                    <a href="<?= $block->getParentTxnIdUrlHtml() ?>">
                        <?= $block->getParentTxnIdHtml() ?>
                    </a>
                    <?php else : ?>
                    <?= $block->escapeHtml(__('N/A')) ?>
                    <?php endif; ?>
                </td>
            </tr>
            <tr>
                <th><?= $block->escapeHtml(__('Order ID')) ?></th>
                <td>
                    <a href="<?= $block->getOrderIdUrlHtml() ?>">
                        <?= $block->getOrderIncrementIdHtml() ?>
                    </a>
                </td>
            </tr>
            <tr>
                <th><?= $block->escapeHtml(__('Transaction Type')) ?></th>
                <td><?= $block->getTxnTypeHtml() ?></td>
            </tr>
            <tr>
                <th><?= $block->escapeHtml(__('Is Closed')) ?></th>
                <td><?= $block->getIsClosedHtml() ?></td>
            </tr>
            <tr>
                <th><?= $block->escapeHtml(__('Created At')) ?></th>
                <td><?= $block->getCreatedAtHtml() ?></td>
            </tr>
            </tbody>
        </table>
    </div>
</section>

<section class="admin__page-section">
    <div class="admin__page-section-title">
        <span class="title"><?= $block->escapeHtml(__('Child Transactions')) ?></span>
    </div>
    <div class="admin__page-section-content log-details-grid">
        <?= $block->getChildHtml('child_grid') ?>
    </div>
</section>

<section class="admin__page-section">
    <div class="admin__page-section-title">
        <span class="title"><?= $block->escapeHtml(__('Transaction Details')) ?></span>
    </div>
    <div class="admin__page-section-content log-details-grid">
        <?= $block->getChildHtml('detail_grid') ?>
    </div>
</section>