In Q4'25, ABBV's Operating Cash Flow reached $5.22B USD, reflecting a moderate decline from the Q3'25 peak of $7.02B USD but remaining above the yearly low of $1.64B USD in Q1'25. Free Cash Flow for the same period stood at $4.89B USD, showing a similar downward trend from $6.64B USD in Q3'25, influenced by capital expenditures that typically reduce free cash relative to operating cash. Over the period from Q1'23 to Q4'25, Operating Cash Flow exhibited volatility with an overall upward trajectory, starting at $4.19B USD and peaking at $7.57B USD in Q3'23 before dipping to $2.27B USD in Q2'24 and recovering to highs around $7B USD in late 2024 and 2025. Free Cash Flow followed a parallel pattern, with notable growth from $4.02B USD in Q1'23 to $7.36B USD in Q3'23, followed by fluctuations including a low of $1.4B USD in Q1'25, highlighting periods of strong generation offset by investment outflows. The bar chart underscores consistent positive cash flows, supporting ABBV's operational stability amid quarterly variances.