In 2 Kings 4:27, Elisha says the LORD has hidden something from him — a striking contrast to God choosing to confide in Abraham.

2 Chronicles 20:7 calls Abraham God's friend, which explains why God chose to confide His plans in him rather than hide them.

Psalm 25:14 says God makes known His covenant to those who fear Him — a principle God enacts here by sharing His plans with Abraham.

Amos 3:7 states God reveals His plans to His servants the prophets — the very principle at work when God decides to share His intentions with Abraham.

In John 15:15, Jesus calls disciples friends because He reveals the Father's will — echoing God confiding in Abraham as a friend rather than a servant.

James 2:23 explicitly calls Abraham 'the friend of God,' giving him the title that underlies God's decision to confide in him here.