Cash Flow Statement Analysis - AT&T Inc.

AT&T Inc. has provided the following information from its cash flow statement for the fiscal year ended December 31, 2023:

• Cash Flow from Operating Activities: $18,000 million
• Cash Flow from Investing Activities: ($9,000) million
• Cash Flow from Financing Activities: $12,000 million

Calculate the net change in cash for AT&T Inc. for the year ended December 31, 2023.