The Solomon's Idolatry Bible scriptures located in 1 Kings 3:1-4 explains directly from God's Word the Solomon's Idolatry topic.
1 Kings 3:1
And Solomon made affinity with Pharaoh king of Egypt, and took Pharaoh's daughter, and brought her into the city of David, until he had made an end of building his own house, and the house of the LORD, and the wall of Jerusalem round about.
1 Kings 3:2
Only the people sacrificed in high places, because there was no house built unto the name of the LORD, until those days.
1 Kings 3:3
And Solomon loved the LORD, walking in the statutes of David his father: only he sacrificed and burnt incense in high places.
1 Kings 3:4
And the king went to Gibeon to sacrifice there; for that was the great high place: a thousand burnt offerings did Solomon offer upon that altar.